/* Modern CSS Variables & Reset */
        :root {
            --brand-primary: #2563EB;
            --brand-dark: #1D4ED8;
            --brand-light: #EFF6FF;
            --accent: #22C55E;
            --text-main: #0F172A;
            --text-muted: #475569;
            --bg-body: #FFFFFF;
            --bg-surface: #F8FAFC;
            --border-color: #E2E8F0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.1);
            --shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1);
            --shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1);
            --radius-md: 8px;
            --radius-lg: 16px;
            --radius-full: 9999px;
            --container-width: 1200px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        
        body {
            font-family: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: var(--bg-body);
            line-height: 1.6;
            overflow-x: hidden;
        }

        h1, h2, h3, h4, h5 { line-height: 1.2; font-weight: 700; margin-bottom: 1rem; }
        h1 { font-size: clamp(2.2rem, 5vw, 3.5rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.8rem, 4vw, 2.5rem); color: var(--text-main); }
        h3 { font-size: 1.5rem; }
        p { margin-bottom: 1.5rem; color: var(--text-muted); font-size: 1.05rem; }
        a { text-decoration: none; color: inherit; transition: all 0.2s ease; }
        ul { list-style: none; }
        img { max-width: 100%; height: auto; display: block; }

        /* Utility Classes */
        .container {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        .container-fluid { width: 100%; }
        .text-center { text-align: center; }
        .text-primary { color: var(--brand-primary); }
        .bg-surface { background-color: var(--bg-surface); }
        .d-flex { display: flex; }
        .align-center { align-items: center; }
        .justify-center { justify-content: center; }
        .flex-wrap { flex-wrap: wrap; }
        .gap-2 { gap: 0.5rem; }
        .gap-4 { gap: 1rem; }
        .mt-2 { margin-top: 2rem; }
        .mt-4 { margin-top: 4rem; }
        .mb-2 { margin-bottom: 2rem; }
        .py-section { padding-top: 5rem; padding-bottom: 5rem; }

        /* Buttons */
        .btn {
            display: inline-block;
            padding: 0.875rem 1.75rem;
            border-radius: var(--radius-full);
            font-weight: 600;
            cursor: pointer;
            text-align: center;
            font-size: 1rem;
            transition: all 0.3s ease;
        }
        .btn-primary {
            background-color: var(--brand-primary);
            color: white;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
        }
        .btn-primary:hover {
            background-color: var(--brand-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.4);
        }
        .btn-outline {
            background-color: transparent;
            border: 2px solid var(--brand-primary);
            color: var(--brand-primary);
        }
        .btn-outline:hover {
            background-color: var(--brand-light);
        }
        .btn-link {
            color: var(--brand-primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }
        .btn-link:hover { text-decoration: underline; }

        /* HERO SECTION REDESIGN */
        .hero {
            position: relative;
            padding: 60px 0 100px;
            background: linear-gradient(135deg, #f8fafc 0%, #eff6ff 100%);
            overflow: hidden;
            z-index: 1;
        }
        /* Background decorative elements */
        .hero::before {
            content: '';
            position: absolute;
            top: -20%;
            right: -10%;
            width: 800px;
            height: 800px;
            background: radial-gradient(circle, rgba(37,99,235,0.08) 0%, rgba(255,255,255,0) 70%);
            border-radius: 50%;
            z-index: -1;
            pointer-events: none;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 10%;
            left: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(34,197,94,0.05) 0%, rgba(255,255,255,0) 60%);
            border-radius: 50%;
            z-index: -1;
            pointer-events: none;
        }
        
        .hero-badge {
            display: inline-block;
            background: white;
            color: var(--brand-primary);
            padding: 0.4rem 1.1rem;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
            border: 1px solid rgba(37, 99, 235, 0.15);
        }
        
        /* Two-Step Layout adjustments */
        .hero-container {
            display: flex;
            flex-direction: column;
            gap: 4rem;
        }

        .hero-top-row {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 5rem;
            align-items: center;
        }
        
        .hero-stats {
            display: flex;
            gap: 1.5rem;
            margin-top: 2rem;
            margin-bottom: 2rem;
        }
        .stat-card {
            background: white;
            padding: 1rem 1.2rem;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: 0 4px 20px -5px rgba(0,0,0,0.05);
            flex: 1;
            transition: transform 0.3s;
            text-align: center;
        }
        .stat-card:hover { transform: translateY(-3px); border-color: var(--brand-primary); }
        .stat-card strong { font-size: 1.4rem; color: var(--brand-primary); display: block; margin-bottom: 0.2rem; }
        .stat-card span { font-size: 0.75rem; color: var(--text-muted); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; }

        /* Interactive Features Row */
        .hero-features-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 1.5rem;
            margin-top: 1rem;
        }

        .hero-feature-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid rgba(226, 232, 240, 0.6);
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            cursor: default;
            position: relative;
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 0.8rem;
        }

        .hero-feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.15);
            border-color: var(--brand-primary);
        }

        .feature-icon-wrapper {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            background: var(--brand-light);
            color: var(--brand-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: all 0.3s;
        }
        
        .hero-feature-card:hover .feature-icon-wrapper {
            background: var(--brand-primary);
            color: white;
            transform: scale(1.1);
        }

        .hero-feature-text {
            font-size: 0.95rem;
            color: var(--text-main);
            font-weight: 600;
            line-height: 1.4;
        }

        /* CSS Chatbot Mockup Styles */
        .chat-mockup-container {
            position: relative;
            padding: 20px;
        }
        
        /* Floating Value Badges */
        .floating-badge {
            position: absolute;
            background: white;
            padding: 0.75rem 1.25rem;
            border-radius: 12px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.12);
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            font-size: 0.9rem;
            z-index: 10;
            animation: float 6s ease-in-out infinite;
        }
        .floating-badge i { 
            width: 32px; height: 32px; 
            border-radius: 8px; 
            display: flex; align-items: center; justify-content: center;
            color: white; 
        }
        .badge-1 { top: 10%; right: -20px; animation-delay: 0s; }
        .badge-1 i { background: var(--accent); }
        .badge-2 { bottom: 15%; left: -30px; animation-delay: 2s; }
        .badge-2 i { background: #F59E0B; }

        @keyframes float {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-10px); }
        }

        .chat-interface {
            background: white;
            border-radius: 24px;
            box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
            overflow: hidden;
            width: 100%;
            max-width: 400px;
            margin: 0 auto;
            border: 1px solid rgba(255,255,255,0.8);
            position: relative;
            z-index: 5;
            transition: transform 0.3s;
        }
        .chat-interface:hover { transform: translateY(-5px); }

        .chat-header {
            background: var(--brand-primary);
            padding: 1.25rem 1.5rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: white;
        }
        .chat-profile { display: flex; align-items: center; gap: 1rem; }
        .chat-avatar {
            width: 42px; height: 42px;
            background: white;
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: var(--brand-primary);
            font-size: 1.2rem;
            position: relative;
        }
        .chat-avatar::after {
            content: '';
            position: absolute; bottom: 0; right: 0;
            width: 12px; height: 12px;
            background: #22C55E;
            border: 2px solid white;
            border-radius: 50%;
        }
        .chat-info h4 { margin: 0; font-size: 1rem; color: white; }
        .chat-info span { font-size: 0.75rem; opacity: 0.9; }

        .chat-body {
            background: #F8FAFC;
            padding: 1.5rem;
            height: 340px;
            display: flex;
            flex-direction: column;
            gap: 1rem;
            overflow-y: hidden;
        }

        .chat-msg {
            max-width: 85%;
            padding: 0.85rem 1rem;
            border-radius: 12px;
            font-size: 0.95rem;
            line-height: 1.5;
            position: relative;
            animation: popIn 0.4s ease forwards;
            opacity: 0;
            transform: translateY(10px);
            box-shadow: 0 2px 4px rgba(0,0,0,0.02);
        }
        .msg-bot {
            background: white;
            color: var(--text-main);
            border-bottom-left-radius: 2px;
            align-self: flex-start;
        }
        .msg-user {
            background: var(--brand-primary);
            color: white;
            border-bottom-right-radius: 2px;
            align-self: flex-end;
            box-shadow: 0 4px 10px rgba(37, 99, 235, 0.2);
        }
        
        /* Message delays */
        .delay-1 { animation-delay: 0.5s; }
        .delay-2 { animation-delay: 1.8s; }
        .delay-3 { animation-delay: 3.2s; }

        .chat-input-area {
            background: white;
            padding: 1rem 1.5rem;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .fake-input {
            flex-grow: 1;
            height: 12px;
            background: #F1F5F9;
            border-radius: 6px;
            width: 100%;
        }
        .fake-send {
            width: 36px; height: 36px;
            background: var(--brand-primary);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            color: white; font-size: 0.9rem;
        }

        @keyframes popIn {
            to { opacity: 1; transform: translateY(0); }
        }
        
        /* Responsive adjustments for new hero */
        @media (max-width: 992px) {
            .hero-top-row { display: flex; flex-direction: column-reverse; gap: 3rem; text-align: center; }
            .hero-stats { justify-content: center; }
            .hero-features-row { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .hero-features-row { grid-template-columns: 1fr; }
        }

        /* STEPS SECTION REDESIGN */
        .steps-section {
            background: white;
            padding: 6rem 0;
            border-bottom: 1px solid var(--border-color);
            overflow: hidden;
        }
        
        .steps-container {
            display: flex;
            justify-content: space-between;
            position: relative;
            padding-top: 2rem;
        }

        /* Connector Line (Desktop) */
        .steps-container::before {
            content: '';
            position: absolute;
            top: 75px;
            left: 70px;
            right: 70px;
            height: 0;
            border-top: 2px dashed #E2E8F0;
            z-index: 0;
        }

        .step-item {
            flex: 1;
            position: relative;
            z-index: 1;
            padding: 0 10px;
            text-align: center;
            opacity: 0; /* Initial state for animation */
            animation: fadeInUp 0.6s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
        }

        /* Staggered Animations */
        .step-item:nth-child(1) { animation-delay: 0.1s; }
        .step-item:nth-child(2) { animation-delay: 0.2s; }
        .step-item:nth-child(3) { animation-delay: 0.3s; }
        .step-item:nth-child(4) { animation-delay: 0.4s; }
        .step-item:nth-child(5) { animation-delay: 0.5s; }

        .step-marker {
            position: relative;
            width: 90px;
            height: 90px;
            margin: 0 auto 1.5rem;
            display: flex;
            align-items: center;
            justify-content: center;
            background: white; /* Hides the connector line behind it */
            border-radius: 50%;
            border: 1px solid #E2E8F0;
            box-shadow: 0 10px 15px -3px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }

        .step-icon {
            font-size: 1.75rem;
            color: var(--brand-primary);
            transition: transform 0.3s;
        }

        .step-badge {
            position: absolute;
            top: 0;
            right: 0;
            width: 28px;
            height: 28px;
            background: var(--brand-dark);
            color: white;
            border-radius: 50%;
            font-size: 0.85rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 3px solid white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }

        /* Hover Effects */
        .step-item:hover .step-marker {
            border-color: var(--brand-primary);
            transform: translateY(-8px);
            box-shadow: 0 20px 25px -5px rgba(37, 99, 235, 0.15);
        }
        .step-item:hover .step-icon {
            transform: scale(1.1);
        }

        .step-title {
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--text-main);
            font-size: 1.1rem;
        }
        .step-desc {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.5;
            max-width: 220px;
            margin: 0 auto;
        }

        /* Responsive Steps */
        @media (max-width: 992px) {
            .steps-container {
                flex-direction: column;
                gap: 2.5rem;
                padding-left: 20px;
            }
            /* Vertical Line for Mobile */
            .steps-container::before {
                width: 0;
                height: 100%;
                left: 65px; /* Align with left-aligned icons */
                top: 0;
                border-top: none;
                border-left: 2px dashed #E2E8F0;
                right: auto;
            }
            .step-item {
                display: flex;
                text-align: left;
                align-items: center;
                gap: 1.5rem;
                padding: 0;
            }
            .step-marker { margin: 0; }
            .step-desc { margin: 0; max-width: 100%; }
        }

        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* TABS SECTION */
        .tabs-section {
            background: var(--bg-surface);
            padding: 6rem 0;
        }
        .tabs-wrapper {
            display: grid;
            grid-template-columns: 300px 1fr;
            gap: 3rem;
            background: white;
            padding: 2rem;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .nav-pills {
            display: flex;
            flex-direction: column;
            gap: 0.5rem;
        }
        .nav-link {
            padding: 1rem 1.5rem;
            border-radius: var(--radius-md);
            background: transparent;
            border: none;
            text-align: left;
            cursor: pointer;
            font-weight: 600;
            color: var(--text-muted);
            transition: all 0.2s;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-link i { font-size: 1.1rem; }
        .nav-link:hover { background: var(--brand-light); color: var(--brand-primary); }
        .nav-link.active {
            background: var(--brand-primary);
            color: white;
            box-shadow: var(--shadow-sm);
        }
        .tab-content { padding: 1rem; position: relative; }
        .tab-pane { display: none; animation: fadeIn 0.4s ease; }
        .tab-pane.active { display: block; }
        .tab-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-top: 1.5rem;
            border: 1px solid var(--border-color);
        }

        /* FEATURES BLOCKS (Alternating) */
        .feature-block {
            padding: 6rem 0;
            border-bottom: 1px solid var(--border-color);
        }
        .feature-block.bg-alt { background-color: var(--bg-surface); border-bottom: none; }
        
        .feature-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }
        .feature-content h3 { font-size: 2rem; margin-bottom: 1rem; }
        .feature-grid-cards {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .mini-card {
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            transition: transform 0.3s ease;
        }
        .mini-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .mini-card-icon {
            font-size: 1.5rem;
            color: var(--brand-primary);
            margin-bottom: 1rem;
        }
        .mini-card h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
        .mini-card p { font-size: 0.9rem; margin-bottom: 0; }

        /* Feature Card Hero Style */
        .feature-hero-card {
            background: white;
            border-radius: var(--radius-lg);
            padding: 2rem;
            box-shadow: var(--shadow-lg);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        /* COST SAVINGS */
        .cost-savings {
            padding: 6rem 0;
            text-align: center;
            background: #F0F9FF;
        }
        .savings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-top: 3rem;
        }
        .saving-card {
            background: white;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            text-align: left;
            transition: transform 0.3s;
        }
        .saving-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-lg); }
        .saving-card img { width: 100%; height: 180px; object-fit: cover; }
        .saving-card-body { padding: 1.5rem; }

        /* WHY ZNI LIST */
        .why-zni { padding: 6rem 0; }
        .why-list {
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }
        .why-item {
            display: flex;
            gap: 1.5rem;
            background: white;
            padding: 1.5rem;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
        }
        .why-icon {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            background: var(--brand-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--brand-primary);
            font-size: 1.5rem;
        }

        /* FAQ SECTION */
        .faq-section {
            padding: 6rem 0;
            background-color: var(--bg-surface);
        }
        .accordion-item {
            border: none;
            margin-bottom: 1rem;
            border-radius: var(--radius-md) !important;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            background: white;
        }
        .accordion-button {
            font-weight: 600;
            padding: 1.25rem;
            background: white;
            box-shadow: none;
            color: var(--text-main);
            font-size: 1.05rem;
        }
        .accordion-button:not(.collapsed) {
            color: var(--brand-primary);
            background-color: var(--brand-light);
            box-shadow: none;
        }
        .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(37,99,235,0.1);
        }
        .accordion-body {
            font-size: 0.95rem;
            color: var(--text-muted);
            line-height: 1.6;
            padding: 1.25rem;
            border-top: 1px solid var(--border-color);
        }

        /* FOOTER CTA */
        .footer-cta {
            background: var(--brand-dark);
            color: white;
            padding: 5rem 0;
            text-align: center;
            background-image: url('data:image/svg+xml,<svg width="20" height="20" viewBox="0 0 20 20" xmlns="http://www.w3.org/2000/svg"><g fill="%23ffffff" fill-opacity="0.05"><path d="M0 0h20L0 20z"/></g></svg>');
        }
        .footer-cta h2 { color: white; }
        .footer-cta p { color: rgba(255,255,255,0.8); font-size: 1.2rem; }
        .footer-cta .btn { background: white; color: var(--brand-dark); }
        .footer-cta .btn:hover { background: #f0f0f0; }
        
        @keyframes blink { 50% { opacity: 0; } }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(10px); } to { opacity: 1; transform: translateY(0); } }


/* --- NAVBAR STYLES (Overrides & Custom) --- */
        .navbar {
            padding: 1rem 0;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
        }
        .navbar-brand img { height: 40px; }
        @media (max-width: 576px) { .navbar-brand img { height: 32px; } }
        
        .nav-link { font-weight: 500; font-size: 0.95rem; }
        .nav-link:hover, .nav-link.active { color: var(--brand-primary) !important; }

        /* Mega Menu Styles */
        .dropdown-mega { position: static; }
        .mega-menu {
            width: 100%;
            border: none;
            box-shadow: 0 20px 40px rgba(0,0,0,0.08);
            margin-top: 0;
            padding: 2rem 0;
            border-radius: 0 0 16px 16px;
            background: #fff;
        }
        .mega-menu .feature-card {
            padding: 1.5rem;
            background: #F8FAFC;
            border-radius: 12px;
            transition: all 0.2s ease;
            height: 100%;
            border: 1px solid transparent;
            position: relative;
        }
        .mega-menu .feature-card:hover {
            background: white;
            border-color: var(--brand-primary);
            box-shadow: 0 10px 20px rgba(0,0,0,0.05);
            transform: translateY(-2px);
        }
        .mega-menu .icon-badge {
            display: inline-flex;
            width: 40px; height: 40px;
            background: white;
            color: var(--brand-primary);
            border-radius: 8px;
            align-items: center; justify-content: center;
            margin-bottom: 1rem;
            box-shadow: 0 2px 4px rgba(0,0,0,0.05);
            font-size: 1.1rem;
        }
        .mega-menu .feature-title { font-weight: 700; color: var(--text-main); margin-bottom: 0.5rem; font-size: 1rem; }
        .mega-menu .feature-desc { font-size: 0.85rem; color: var(--text-muted); line-height: 1.5; margin-bottom: 1rem; }
        .mega-menu .feature-cta { font-size: 0.85rem; font-weight: 600; color: var(--brand-primary); }

        /* --- FOOTER STYLES --- */
        .zn-footer {
            background: #fff;
            border-top: 1px solid #e2e8f0;
            font-size: 0.95rem;
            color: var(--text-muted);
            padding-top: 4rem;
        }
        .footer-logo { display: inline-block; margin-bottom: 1rem; }
        .footer-title { color: var(--text-main); font-weight: 700; margin-bottom: 1.2rem; font-size: 1rem; }
        .footer-links li { margin-bottom: 0.7rem; }
        .footer-links a { color: var(--text-muted); transition: color 0.2s; text-decoration: none; }
        .footer-links a:hover { color: var(--brand-primary); }
        .contact li { margin-bottom: 0.5rem; display: flex; align-items: start; gap: 0.5rem; }
        
        /* Tabs only */
.tabs-section .tabs-link {
  padding: 1rem 1.5rem;
  border-radius: var(--radius-md);
  background: transparent;
  border: none;
  text-align: left;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-muted);
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 0.75rem;
}
.tabs-section .tabs-link:hover { background: var(--brand-light); color: var(--brand-primary); }
.tabs-section .tabs-link.active { background: var(--brand-primary); color: #fff; }