body {
            font-family: 'Open Sans', sans-serif;
            background-color: #0A192F;
            color: #E6F1FF;
            line-height: 1.85;
        }
        h1, h2, h3, h4, h5, h6 {
            font-family: 'Poppins', sans-serif;
        }
        .accent-text { color: #0EA5E9; }
        .accent-bg { background-color: #0EA5E9; }
        .btn-primary {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            color: #ffffff;
            background-color: #0369A1;
            border-radius: 0.375rem;
            transition: all 0.3s ease;
        }
        .btn-primary:hover {
            background-color: #075985;
            transform: scale(1.05);
        }
        .btn-secondary {
            display: inline-block;
            padding: 0.75rem 1.5rem;
            font-weight: 600;
            color: #0EA5E9;
            border: 2px solid #0EA5E9;
            border-radius: 0.375rem;
            transition: all 0.3s ease;
        }
        .btn-secondary:hover {
            background-color: #0EA5E9;
            color: #ffffff;
            transform: scale(1.05);
        }
        .info-card {
            background-color: #1E293B;
            padding: 2rem;
            border-radius: 0.5rem;
            border: 1px solid #334155;
            transition: all 0.3s ease;
        }
        .info-card:hover {
            border-color: #0EA5E9;
            transform: translateY(-4px);
            box-shadow: 0 10px 20px -5px rgba(14, 165, 233, 0.1);
        }
        .highlight-box {
            background-color: #0369A1;
            background: linear-gradient(135deg, #0369A1 0%, #075985 100%);
            padding: 1.5rem 2rem;
            border-radius: 0.5rem;
            color: #ffffff;
        }
        .faq-item {
            background-color: #1E293B;
            border: 1px solid #334155;
            border-radius: 0.5rem;
            overflow: hidden;
            transition: border-color 0.3s ease;
        }
        .faq-item:hover,
        .faq-item.active {
            border-color: #0EA5E9;
        }
        .faq-question {
            width: 100%;
            padding: 1.25rem 1.5rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1rem;
            font-family: 'Poppins', sans-serif;
            color: #E6F1FF;
            background: none;
            border: none;
            text-align: left;
            transition: color 0.3s ease;
        }
        .faq-question:hover {
            color: #0EA5E9;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 1.5rem;
        }
        .faq-item.active .faq-answer {
            max-height: 600px;
            padding: 0 1.5rem 1.25rem;
        }
        .faq-item.active .faq-chevron {
            transform: rotate(180deg);
        }
        .faq-chevron {
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .toc-link {
            color: #94A3B8;
            transition: color 0.2s;
        }
        .toc-link:hover {
            color: #0EA5E9;
        }
        .llm-box {
            background-color: #1E293B;
            border-left: 4px solid #0EA5E9;
            padding: 1.25rem 1.5rem;
            border-radius: 0 0.5rem 0.5rem 0;
            margin: 1.5rem 0;
        }
        .llm-box-label {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            color: #0EA5E9;
            font-size: 0.875rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            margin-bottom: 0.5rem;
        }
        .checklist-item {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.75rem 0;
            border-bottom: 1px solid #334155;
        }
        .checklist-item:last-child {
            border-bottom: none;
        }
        .share-bar {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #334155;
        }
        .share-label {
            font-family: 'Poppins', sans-serif;
            font-weight: 600;
            font-size: 0.875rem;
            color: #94A3B8;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }
        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 0.5rem;
            background-color: #1E293B;
            border: 1px solid #334155;
            color: #94A3B8;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
        }
        .share-btn:hover {
            background-color: #0EA5E9;
            border-color: #0EA5E9;
            color: #ffffff;
        }
        .share-btn-x {
            background-color: #000000;
            border-color: #000000;
            color: #ffffff;
        }
        .share-btn-x:hover {
            background-color: #333333;
            border-color: #333333;
        }
        .share-btn-linkedin {
            background-color: #0077B5;
            border-color: #0077B5;
            color: #ffffff;
        }
        .share-btn-linkedin:hover {
            background-color: #009AE4;
            border-color: #009AE4;
        }
        .share-btn-whatsapp {
            background-color: #25D366;
            border-color: #25D366;
            color: #ffffff;
        }
        .share-btn-whatsapp:hover {
            background-color: #4AE07E;
            border-color: #4AE07E;
        }
        .share-btn-copy {
            background-color: #0EA5E9;
            border-color: #0EA5E9;
            color: #ffffff;
        }
        .share-btn-copy:hover {
            background-color: #38BDF8;
            border-color: #38BDF8;
        }
        .share-btn-native {
            background-color: #475569;
            border-color: #475569;
            color: #ffffff;
        }
        .share-btn-native:hover {
            background-color: #64748B;
            border-color: #64748B;
        }
        .share-btn svg {
            width: 1.125rem;
            height: 1.125rem;
            fill: currentColor;
        }
        .share-native {
            display: none;
        }
        @media (max-width: 768px) {
            .share-native {
                display: inline-flex;
            }
        }
        .share-copied {
            font-size: 0.75rem;
            color: #0EA5E9;
            font-weight: 600;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .share-copied.show {
            opacity: 1;
        }