/* ========== PROFESSIONAL COLOR PALETTE ========== */
        :root {
            --primary: #00bcd4;
            --primary-light: #3A7BDA;
            --primary-dark: #1D4377;
            --secondary: #FFD700;
            --accent: #E63946;
            --accent-light: #FF6B7C;
            --accent-blue: #0066cc;
            --accent-teal: #00ccb4;
            --white: #FFFFFF;
            --light-gray: #F8F9FA;
            --dark-gray: #343A40;
            --text-color: #212529;
            --text-light: #6C757D;
            
            --header-height: 100px;
            --header-height-scrolled: 80px;
            
            --transition: all 0.4s cubic-bezier(0.165, 0.84, 0.44, 1);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.12);
            --shadow-lg: 0 8px 24px rgba(0, 0, 0, 0.16);
        }

        /* Reset and base styles */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Montserrat', sans-serif;
            background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
            min-height: 200vh;
        }

        /* ========== HEADER STYLES ========== */
        .main-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            z-index: 1000;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        }

        .main-header.scrolled {
            height: var(--header-height-scrolled);
            box-shadow: var(--shadow-md);
        }

        .header-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 40px;
            height: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        /* Logo styles - UPDATED WITH HORIZONTAL LINE */
        .logo-container {
            display: flex;
            align-items: center;
            text-decoration: none;
            gap: 15px;
            transition: var(--transition);
        }

        .logo-container:hover {
            transform: translateY(-2px);
        }

        .logo-image {
            width: 70px;
            height: 70px;
            object-fit: contain;
            border-radius: 50%;
            border: 1.5px solid white;
            box-shadow: 0 0 0 2px rgba(0, 204, 180, 0.15);
            background-color: #f8f9fa;
        }

        .logo-content {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            position: relative;
        }

        .logo-text {
            font-size: 1.8rem !important;
            font-weight: 700 !important;
            letter-spacing: -0.5px !important;
            background: linear-gradient(90deg, var(--accent-blue), var(--accent-teal)) !important;
            -webkit-background-clip: text !important;
            background-clip: text !important;
            color: transparent !important;
            line-height: 1 !important;
            position: relative !important;
            padding-bottom: 8px !important;
        }

        /* HORIZONTAL LINE UNDER LOGO NAME */
        .logo-text::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, 
                rgba(0, 188, 212, 0.8) 0%, 
                rgba(29, 67, 119, 0.8) 50%, 
                rgba(0, 188, 212, 0.8) 100%);
            border-radius: 1px;
        }

        /* Alternative: Separate horizontal line element */
        .logo-line {
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--primary-dark));
            border-radius: 1px;
            margin-top: 8px;
        }

        /* Optional: Tagline styles (if you want to keep it) */
        .logo-tagline {
            font-size: 0.45rem;
            font-weight: 500;
            color: var(--text-light);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-top: 8px;
            line-height: 1;
        }

        /* Navigation styles */
        .main-nav {
            display: flex;
            align-items: center;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 30px;
        }

        .nav-link {
            position: relative;
            display: flex;
            align-items: center;
            padding: 10px 0;
            text-decoration: none;
            color: var(--text-color);
            font-size: 1rem;
            font-weight: 600;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .nav-link::before {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link:hover::before {
            width: 100%;
        }

        /* CTA Button */
        .nav-cta {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            margin-left: 30px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: var(--white);
            font-size: 0.9rem;
            font-weight: 600;
            text-decoration: none;
            border-radius: 50px;
            transition: var(--transition);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            box-shadow: 0 4px 15px rgba(42, 92, 170, 0.3);
        }

        .nav-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 25px rgba(42, 92, 170, 0.4);
        }

        /* IMPORTANT: Ensure Font Awesome icons display properly */
        .nav-cta i,
        .mobile-toggle i,
        .ai-chatbot i {
            font-family: 'Font Awesome 6 Free' !important;
            font-weight: 900 !important;
            font-style: normal !important;
            font-variant: normal !important;
            text-rendering: auto !important;
            -webkit-font-smoothing: antialiased !important;
        }

        .nav-cta i {
            margin-left: 8px;
            transition: var(--transition);
        }

        .nav-cta:hover i {
            transform: translateX(3px);
        }

        /* Mobile Toggle */
        .mobile-toggle {
            display: none !important;
            background: transparent;
            border: none;
            color: var(--primary);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 10px;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            color: var(--accent);
        }

        /* Chatbot */
        .ai-chatbot {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 60px;
            height: 60px;
            background: var(--primary);
            color: white;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            text-decoration: none;
            box-shadow: 0 4px 20px rgba(42, 92, 170, 0.3);
            z-index: 999;
            transition: var(--transition);
            animation: pulse 2s infinite;
        }

        .ai-chatbot:hover {
            background: var(--accent);
            transform: scale(1.1);
            animation: none;
        }

        @keyframes pulse {
            0% { transform: scale(1); }
            50% { transform: scale(1.05); }
            100% { transform: scale(1); }
        }

        /* Content Spacer */
        .content-spacer {
            height: var(--header-height);
        }

        /* Demo Content */
        .demo-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 40px 20px;
            text-align: center;
        }

        .demo-content h1 {
            color: #2A5CAA;
            margin-bottom: 20px;
            font-size: 2.5rem;
        }

        .demo-content p {
            color: #343A40;
            font-size: 1.2rem;
            line-height: 1.6;
            margin-bottom: 30px;
        }

        .demo-section {
            background: white;
            border-radius: 10px;
            padding: 30px;
            margin: 30px 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        /* Active state for navigation links */
        .nav-link.active {
            color: var(--primary) !important;
            font-weight: 700;
        }
        
        .nav-link.active::before {
            width: 100% !important;
            background: linear-gradient(90deg, var(--primary), var(--accent)) !important;
        }
        
        /* For a more distinct active state, consider adding: */
        .nav-link.active {
            position: relative;
        }
        
        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 50%;
            transform: translateX(-50%);
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            box-shadow: 0 0 0 2px rgba(230, 57, 70, 0.2);
        }

        /* ========== RESPONSIVE DESIGN ========== */
        @media (max-width: 992px) {
            .main-nav {
                position: fixed;
                top: var(--header-height);
                left: -100%;
                width: 100%;
                height: calc(100vh - var(--header-height));
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(10px);
                flex-direction: column;
                justify-content: flex-start;
                padding: 40px 30px;
                transition: var(--transition);
                z-index: 999;
            }

            .main-nav.active {
                left: 0;
            }

            .nav-list {
                flex-direction: column;
                width: 100%;
                gap: 25px;
            }

            .nav-cta {
                margin: 40px 0 0;
                width: 100%;
            }

            .mobile-toggle {
                display: flex !important;
            }
        }

        @media (max-width: 768px) {
            
            .logo-container {
                gap: 10px;
            }
        }

        @media (max-width: 576px) {
            .header-container {
                padding: 0 20px;
            }
            
            .logo-text {
                font-size: 1.5rem;
            }
            
            .logo-image {
                width: 60px;
                height: 60px;
            }
            
        }