* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: Calibri, 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            background-color: #F7F7F8;
            color: #333;
        }
        
        .navbar {
            background-color: #ffffff;
            padding: 0.6rem 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar-brand img {
            height: 42px;
            width: auto;
        }
        
        .navbar-nav .nav-link {
            color: #333 !important;
            font-weight: 500;
            margin-left: 1rem;
            transition: color 0.3s ease;
        }
        
        .navbar-nav .nav-link:hover {
            color: #86BC25 !important;
        }

        .navbar-nav .nav-link.active {
            color: #86BC25 !important;
        }

        .dropdown-menu {
            background-color: #ffffff;
            border: 1px solid #e5e7eb;
            border-radius: 8px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            z-index: 1001;
        }

        .dropdown-item {
            color: #333;
            transition: all 0.3s ease;
            font-weight: 500;
        }

        .dropdown-item:hover {
            background-color: #86BC25;
            color: white;
        }
        
        .btn-get-started {
    background: #86BC25;
    color: #555 !important;
    padding: 0.5rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    transition: background 0.3s ease, filter 0.3s ease;
    text-decoration: none;
    display: inline-block;
}

        
        .btn-get-started:hover {
    background: #86BC25;
}


        .article-hero {
            background-color: #f4f4f4;
            color: #555;
            padding: 4rem 2rem;
            text-align: center;
        }

        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
            color: #86BC25;
        }

        .article-hero .meta {
            font-size: 1rem;
            color: #555;
        }

        .article-content {
            max-width: 800px;
            margin: 4rem auto;
            padding: 0 2rem;
            background: white;
            border-radius: 8px;
            padding: 2rem;
        }

        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #86BC25;
            margin: 2rem 0 1rem 0;
            line-height: 1.3;
        }

        .article-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #000;
            margin: 1.5rem 0 0.5rem 0;
        }

        .article-content p {
            color: #555;
            line-height: 1.8;
            margin-bottom: 1rem;
        }

        .article-content ul {
            margin: 1rem 0 1rem 2rem;
            color: #555;
        }

        .article-content li {
            margin-bottom: 0.5rem;
            line-height: 1.8;
        }

        .back-link {
            display: inline-block;
            margin-bottom: 2rem;
            color: #86BC25;
            text-decoration: none;
            font-weight: 600;
        }

        .back-link:hover {
            color: #86BC25;
        }

        footer {
            background-color: #111313;
            border-top: 1px solid #e5e7eb;
            padding: 3rem 0;
            margin-top: 4rem;
        }

        footer h6 {
            font-size: 0.95rem;
            font-weight: 700;
            color: white;
        }

        footer a {
            color: #aaa;
            transition: color 0.3s ease;
            text-decoration: none;
        }

        footer a:hover {
            color: #86BC25 !important;
        }

       
        .whatsapp-float {
            position: fixed;
            right: 20px;
            bottom: 20px;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #25d366;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 8px #0003;
            z-index: 999;
            animation: pulse 1.5s infinite;
        }

        .whatsapp-float img {
            width: 100%;
            height: 100%;
            object-fit: contain;
        }

        @keyframes pulse {
            0%, 100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.15);
            }
        }

        .theme-toggle {
            background: none;
            border: none;
            cursor: pointer;
            padding: 0.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-left: auto;
            margin-right: 1.5rem;
            transition: all 0.3s ease;
        }

        .theme-toggle svg {
            width: 24px;
            height: 24px;
            stroke: #333;
            stroke-width: 2;
            fill: none;
            transition: all 0.3s ease;
        }

        body.dark-mode {
            background-color: #1a1a1a;
            color: #e0e0e0;
        }

        body.dark-mode .navbar {
            background-color: #2a2a2a;
            border-bottom: 1px solid #444;
        }

        body.dark-mode .navbar-nav .nav-link {
            color: #e0e0e0 !important;
        }

        body.dark-mode .navbar-nav .nav-link:hover {
            color: #86BC25 !important;
        }

        body.dark-mode .dropdown-menu {
            background-color: #2a2a2a;
            border-color: #444;
        }

        body.dark-mode .dropdown-item {
            color: #e0e0e0;
        }

        body.dark-mode .dropdown-item:hover {
            background-color: #86BC25;
            color: white;
        }

        body.dark-mode .article-content {
            background: #2a2a2a;
            color: #e0e0e0;
        }

        body.dark-mode .article-content h2 {
            color: #86BC25;
        }

        body.dark-mode .article-content h3 {
            color: #e0e0e0;
        }

        body.dark-mode .article-content p {
            color: #b0b0b0;
        }

        body.dark-mode .article-content ul {
            color: #b0b0b0;
        }

        body.dark-mode .article-hero {
            background-color: #111;
            color: #e0e0e0;
        }

        body.dark-mode .article-hero h1 {
            color: #86BC25;
        }

        body.dark-mode .article-hero .meta {
            color: #d3d3d8;
        }

        body.dark-mode .back-link {
            color: #86BC25;
        }

        body.dark-mode .back-link:hover {
            color: #86BC25;
        }

        body.dark-mode footer,
        body.dark-mode footer.bg-light {
            background-color: #1a1a1a !important;
            border-top: 1px solid #333;
        }

        body.dark-mode footer h6 {
            color: #ffffff !important;
        }

        body.dark-mode footer a {
            color: #b0b0b0 !important;
        }

        body.dark-mode footer a:hover {
            color: #d3d3d8 !important;
        }

        body.dark-mode footer .text-muted {
            color: #888 !important;
        }

        body.dark-mode footer .text-dark {
            color: #ffffff !important;
        }

        body.dark-mode footer hr {
            border-color: #333 !important;
        }

        body.dark-mode footer svg {
            stroke: #b0b0b0;
        }

        body.dark-mode footer a:hover svg {
            stroke: #4a9eff;
        }

        body.dark-mode .theme-toggle svg {
            stroke: #fff;
        }

        footer .row.align-items-center {
            justify-content: center;
            text-align: center;
        }

        footer .col-md-4 {
            flex: 0 1 auto;
            text-align: center;
        }

        footer .col-md-4.text-center,
        footer .col-md-4.text-end {
            text-align: center;
        }

        @media (max-width: 1024px) {
            footer .row {
                gap: 1.5rem !important;
            }

            footer h6 {
                font-size: 0.95rem;
            }

            footer small {
                font-size: 0.8rem;
            }
        }

        @media (max-width: 768px) {
            footer {
                padding: 2rem 1rem !important;
            }

            footer .row {
                display: flex !important;
                flex-direction: column !important;
                gap: 1.5rem !important;
                justify-content: flex-start !important;
            }

            footer .row > div {
                flex: none !important;
                width: 100% !important;
                min-width: auto !important;
            }

            footer img {
                max-width: 120px !important;
            }

            footer h6 {
                font-size: 0.95rem;
                margin-bottom: 1rem !important;
            }

            footer ul {
                padding-left: 0;
            }

            footer li {
                margin-bottom: 0.75rem !important;
            }

            footer small {
                font-size: 0.8rem;
            }

            footer svg {
                width: 16px !important;
                height: 16px !important;
            }

            .row.align-items-center {
                flex-direction: column !important;
                text-align: center !important;
                gap: 1rem !important;
            }

            .row.align-items-center .col-md-4 {
                width: 100% !important;
                text-align: center !important;
            }

            footer hr {
                margin: 1rem 0 !important;
            }
        }

        @media (max-width: 640px) {
            footer {
                padding: 1.5rem 1rem !important;
            }

            footer img {
                max-width: 100px !important;
                margin-bottom: 0.75rem !important;
            }

            footer h6 {
                font-size: 0.9rem;
                margin-bottom: 0.75rem !important;
            }

            footer .mb-4 {
                margin-bottom: 0.75rem !important;
            }

            footer li {
                margin-bottom: 0.5rem !important;
            }

            footer small {
                font-size: 0.75rem;
            }

            footer .text-muted.small {
                margin-bottom: 0.5rem !important;
            }

            footer p {
                margin-bottom: 0.5rem !important;
            }

            footer svg {
                width: 14px !important;
                height: 14px !important;
                margin-right: 0.4rem !important;
            }

            .row.align-items-center .col-md-4 p {
                font-size: 0.75rem;
            }

            footer hr {
                margin: 0.75rem 0 !important;
            }
        }

        @media (max-width: 480px) {
            footer {
                padding: 1rem !important;
            }

            footer .mb-5 {
                margin-bottom: 1rem !important;
            }

            footer .row {
                gap: 1rem !important;
            }

            footer img {
                max-width: 90px !important;
                margin-bottom: 0.5rem !important;
            }

            footer h6 {
                font-size: 0.85rem;
                margin-bottom: 0.5rem !important;
            }

            footer ul.list-unstyled {
                margin-bottom: 0;
            }

            footer li {
                margin-bottom: 0.35rem !important;
            }

            footer small {
                font-size: 0.7rem;
            }

            footer .text-muted {
                font-size: 0.7rem !important;
            }

            footer svg {
                width: 12px !important;
                height: 12px !important;
                margin-right: 0.3rem !important;
            }

            footer a {
                font-size: 0.7rem;
            }

            footer hr {
                margin: 0.5rem 0 !important;
            }

            .row.align-items-center .col-md-4 p {
                font-size: 0.7rem;
            }
        }