:root {
        --ago_blue: #085f78;
        --ago_orange: #f38a2e;
        --white: #ffffff;
        --whatsapp_green: #25d366;
    }

    body { margin: 0; font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; }

    /* Row 1: Logo & Contacts */
    .top_white_row {
        background: var(--white);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 10px 8%;
        border-bottom: 1px solid #f0f0f0;
        width: 100%;
        box-sizing: border-box;
    }

    .contact_info_top { display: flex; gap: 20px; }
    .contact_info_top span { font-size: 12px; color: #666; display: flex; align-items: center; gap: 5px; }

    /* Row 2: Sticky Blue Navbar */
    .bottom_blue_row {
        background-color: var(--ago_blue);
        display: flex;
        justify-content: space-between;
        align-items: center;
        padding: 0 8%;
        height: 65px;
        position: -webkit-sticky;
        position: sticky;
        top: 0;
        z-index: 9999;
        box-shadow: 0 4px 10px rgba(0,0,0,0.2);
        width: 100%;
        box-sizing: border-box;
    }

    /* Hamburger Button - Imetengenezwa kwa SVG ili isipotee */
    .hamburger {
        display: none;
        cursor: pointer;
        width: 30px;
        height: 30px;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3E%3Cpath stroke='rgba(255, 255, 255, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-size: contain;
    }

    /* Desktop Navigation */
    .nav_links { display: flex; list-style: none; margin: 0; padding: 0; gap: 20px; }
    .nav_links a {
        color: var(--white);
        text-decoration: none;
        font-size: 13px;
        font-weight: 600;
        text-transform: uppercase;
        transition: 0.3s;
    }
    .nav_links a:hover { color: var(--ago_orange); }

    /* Sidebar Mobile */
    .sidebar {
        position: fixed;
        top: 0;
        left: -280px;
        width: 280px;
        height: 100%;
        background: var(--ago_blue);
        z-index: 10001;
        transition: 0.4s;
        padding-top: 20px;
    }
    .sidebar.active { left: 0; }
    .sidebar a {
        display: block;
        padding: 15px 25px;
        color: white;
        text-decoration: none;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        font-size: 14px;
    }

    .sidebar_overlay {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0,0,0,0.5);
        display: none;
        z-index: 10000;
    }
    .sidebar_overlay.active { display: block; }

    /* WhatsApp Button - Imetumia SVG icon ndani */
    .whatsapp_float {
        position: fixed;
        width: 60px;
        height: 60px;
        bottom: 30px;
        right: 30px;
        background-color: var(--whatsapp_green);
        border-radius: 50px;
        box-shadow: 2px 5px 15px rgba(0,0,0,0.3);
        z-index: 99999;
        display: flex;
        align-items: center;
        justify-content: center;
        transition: 0.3s;
    }
    .whatsapp_float img { width: 35px; height: 35px; }

    @media (max-width: 992px) {
        .nav_links, .contact_info_top { display: none; }
        .hamburger { display: block; } /* Sasa itaonekana */
        .top_white_row { padding: 10px 5%; }
        .bottom_blue_row { padding: 0 5%; height: 60px; }
    }