* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'dm-sans', sans-serif;
            color: #000;
            background-color: #ffffff;
            padding: 40px;
            transition: background-color 0.3s, color 0.3s;
        }
      :root {
            --background-color: #fff;
            --text-color: #000;
            --accent-color: #828F40;
            --secondary-color: #FBF1E7;
        }

        body {
            font-family: 'dm-sans', sans-serif;
            color: var(--text-color);
            background-color: var(--background-color);
            padding: 40px;
            transition: background-color 0.3s, color 0.3s;
        }

        /* Dark mode styles - only applied when .dark-mode class is present */
        .dark-mode {
            --background-color: #121212;
            --text-color: #fff;
            --secondary-color: #1a2e1a;
        }

        .dark-mode body {
            background-color: var(--background-color);
            color: var(--text-color);
        }

        .dark-mode .navbar {
            background-color: var(--background-color) !important;
        }

        .dark-mode .navbar a {
            color: var(--text-color) !important;
        }

        .dark-mode hr {
            border-color: var(--text-color) !important;
        }

        .dark-mode .progress-bar {
            background-color: #1e1e1e;
            border-bottom: 1px solid #333;
        }

        .dark-mode .progress-item {
            color: #999;
        }

        .dark-mode .progress-item.active {
            color: #fff;
        }

        .dark-mode .progress-item::after {
            background-color: #333;
        }

        .dark-mode .progress-item.active::after {
            background-color: #2E8B57;
        }

        .dark-mode .stage-card,
        .dark-mode .plant-type,
        .dark-mode .user-type,
        .dark-mode .testimonial,
        .dark-mode .mirror-scenario {
            background: #2a2a2a;
            border-color: #333;
        }

        .dark-mode .challenge-solution {
            background: #2a2a2a;
        }

        .dark-mode .flow-step {
            background: #2a3d2a;
        }

        .dark-mode .feature-box {
            background: #2a3d2a;
        }

        .dark-mode .quote {
            background: #2a3d2a;
        }

        .dark-mode .black-mirror {
            background: #2a2a2a;
        }

        .container {
            max-width: 100%;
            margin: 0 auto;
        }

        /* Progress bar styles */
        .progress-bar {
            position: fixed;
            top: 45px;
            left: 0;
            right: 0;
            background-color: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(0, 0, 0, 0.1);
            z-index: 90;
            padding: 0 40px;
            overflow-x: auto;
            overflow-y: hidden;
        }

        .progress-container {
            display: flex;
            align-items: center;
            height: 50px;
            min-width: max-content;
        }

        .progress-item {
            position: relative;
            font-size: 13px;
            font-weight: 500;
            color: #666;
            cursor: pointer;
            white-space: nowrap;
            padding: 0 20px;
            transition: color 0.3s ease;
            user-select: none;
        }

        .progress-item:hover {
            color: var(--accent-color);
        }

        .progress-item.active {
            color: var(--text-color);
            font-weight: 600;
        }

        .progress-item::after {
            content: '';
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 20px;
            background-color: #ddd;
        }

        .progress-item:last-child::after {
            display: none;
        }

        .progress-item.active::after {
            background-color: var(--accent-color);
        }


        body {
            padding-top: 220px;
        }

        /* Navigation */
        nav {
            margin-bottom: 0;
            color: #000;
        }

        .navbar {
            overflow: hidden;
            background-color: #fff; 
            position: fixed;
            z-index: 100;
            top: 0;
            left: 0;
            width: 100%;
            column-span: 100%;
        }

        .navbar a {
            float: left;
            display: block;
            width: 10%;
            text-align: center;
            padding: 14px 40px;
            padding-left: 30px;
            font-family: "dm-sans", sans-serif;
            text-decoration: none;
            color: #000;
        }

        .navbar a:hover {
            color: #2E8B57;
        }

        .dark-mode-toggle {
            float: right;
            padding: 14px 40px;
            background: none;
            border: none;
            cursor: pointer;
            color: inherit;
            font-size: 16px;
        }

        /* Main content grid */
        .grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 40px;
            margin-bottom: 80px;
        }

        .title-section {
            grid-column: 1 / 3;
            margin-bottom: 0px;
        }

        .subtitle-section {
            grid-column: 3 / 6;
            margin-bottom: 0px;
        }

        .title {
            font-size: 6rem;
            line-height: 1;
            font-weight: 400;
            margin-bottom: 10px;
            color: var(--accent-color);
        }

        .subtitle {
            font-size: 3rem;
            line-height: 1.3;
            font-weight: 400;
        }

        .details {
            grid-column: 1 / 2;
            font-size: 1rem;
            line-height: 1.35;
            font-weight: 700;
            padding-right: 20px;
        }

        .details div {
            margin-bottom: 12px;
        }

        .project-info {
            grid-column: 3 / 6;
            font-size: 1rem;
            line-height: 1.6;
        }

        .project-info p {
            margin-bottom: 20px;
        }

        hr {
            margin-top: 10px;
            margin-bottom: 15px;
            border-top: 1px solid #000;
            z-index: 50;
        }

        .img-section {
            width: 100%;
            max-width: 100%;
            margin: 40px auto;
            overflow: hidden;
            text-align: center;
        }

        .img-section img, .img-section video {
            width: 100%;
            height: auto;
            display: block;
            cursor: pointer;
            border-radius: 8px;
            box-shadow: 0 4px 20px rgba(0,0,0,0.1);
        }

        .content-section {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 40px;
            margin: 40px 0;
        }

        .content-title {
            grid-column: 1 / 2;
            font-size: 1rem;
            font-weight: 400;
        }

        .content-details {
            grid-column: 3 / 6;
        }

        .content-details .big-text {
            font-size: 2.25rem;
            line-height: 1.3;
            margin-bottom: 20px;
            font-weight: 300;
        }

        p {
            max-width: 100%;
            font-size: 1rem;
            line-height: 1.5;
            margin-bottom: 20px;
        }

        ul {
            font-size: 16px;
            line-height: 1.5;
            margin-bottom: 20px;
            padding-left: 20px;
        }

        .quote {
            font-style: italic;
            margin: 30px 0;
            padding: 20px;
            background: var(--secondary-color);
            border-left: 4px solid var(--accent-color);
            border-radius: 4px;
        }

        .quote p {
            margin-bottom: 5px;
        }

        /* Team section */
        .team-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            margin: 60px 0;
            text-align: center;
        }

        .team-member {
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .team-photo {
            width: 150px;
            height: 150px;
            border-radius: 50%;
            margin-bottom: 20px;
            object-fit: cover;
        }

        .team-quote {
            font-style: italic;
            font-size: 1.1rem;
            margin-bottom: 15px;
            line-height: 1.4;
        }

        .team-name {
            font-weight: 600;
            color: #666;
        }

        /* Growth stages */
        .growth-stages {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .stage-card {
            background: white;
            padding: 24px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            text-align: center;
            border: 1px solid #e9ecef;
        }

        .stage-number {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-color);
            margin-bottom: 10px;
        }

        .stage-title {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .stage-description {
            font-size: 0.9rem;
            line-height: 1.4;
            color: #666;
        }

        /* How it works flow */
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .flow-step {
            background: var(--secondary-color);
            padding: 24px;
            border-radius: 8px;
            text-align: center;
            position: relative;
        }

        .flow-step::after {
            content: '→';
            position: absolute;
            right: -20px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.5rem;
            color: var(--accent-color);
        }

        .flow-step:last-child::after {
            display: none;
        }

        .flow-step h4 {
            font-size: 1rem;
            margin-bottom: 10px;
            color: var(--accent-color);
        }

        .flow-step p {
            font-size: 0.9rem;
            line-height: 1.4;
            margin: 0;
        }

        /* Plant types */
        .plant-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 24px;
            margin: 40px 0;
        }

        .plant-type {
            background: white;
            padding: 24px;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            border: 1px solid #e9ecef;
        }

        .plant-type h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 12px;
            color: var(--accent-color);
        }

        .plant-type p {
            font-size: 0.9rem;
            line-height: 1.4;
            color: #666;
            margin: 0;
        }

        /* Network features */
        .network-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .network-feature {
            padding: 24px;
        }

        .network-feature h4 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 15px;
            color: var(--accent-color);
        }

        .network-feature p {
            font-size: 0.9rem;
            line-height: 1.4;
            color: #666;
        }

        /* Advanced features */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin: 40px 0;
        }

        .feature-box {
            background: var(--secondary-color);
            padding: 40px 30px;
            border-radius: 8px;
            text-align: center;
        }

        .feature-box h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--accent-color);
        }

        .feature-box p {
            font-size: 1rem;
            line-height: 1.4;
            margin: 0;
        }

        /* Edge cases section */
        .edge-cases {
            margin: 60px 0;
        }

        .challenge-solution {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin: 30px 0;
            padding: 30px;
            background: #f8f9fa;
            border-radius: 8px;
        }

        .challenge {
            padding: 20px;
            background: #ffe6e6;
            border-radius: 8px;
            border-left: 4px solid #dc3545;
        }

        .solution {
            padding: 20px;
            background: #e6f7e6;
            border-radius: 8px;
            border-left: 4px solid #28a745;
        }

        .challenge h4, .solution h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
        }

        .challenge p, .solution p {
            font-size: 0.9rem;
            margin: 0;
        }

        /* Black Mirror section */
        .black-mirror {
            background: #f8f9fa;
            padding: 40px;
            border-radius: 12px;
            margin: 60px 0;
            border-left: 4px solid #dc3545;
        }

        .black-mirror h3 {
            color: #dc3545;
            margin-bottom: 30px;
        }

        .mirror-scenarios {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 30px;
        }

        .mirror-scenario {
            background: white;
            padding: 20px;
            border-radius: 8px;
            border: 1px solid #ddd;
        }

        .mirror-scenario h4 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 10px;
            color: #dc3545;
        }

        .anti-goals {
            margin-top: 30px;
        }

        .anti-goals h4 {
            margin-bottom: 15px;
            color: #dc3545;
        }

        .anti-goals ul {
            list-style-type: none;
            padding: 0;
        }

        .anti-goals li {
            padding: 8px 0;
            padding-left: 20px;
            position: relative;
        }

        .anti-goals li::before {
            content: "✗";
            position: absolute;
            left: 0;
            color: #dc3545;
            font-weight: bold;
        }

        /* AR Future section */
        .ar-features {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .ar-feature {
           /* background: linear-gradient(135deg, #667eea 0%, #764ba2 100%); */
           background:: white;
          stroke: black;

            padding: 30px 24px;
            border-radius: 12px;
            text-align: center;
        }

        .ar-feature h4 {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 15px;
        }

        .ar-feature p {
            font-size: 0.9rem;
            line-height: 1.4;
            margin: 0;
            opacity: 0.9;
        }

        /* User types */
        .user-types {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .user-type {
            padding: 30px;
            border-radius: 12px;
            background: white;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            border: 1px solid #e9ecef;
        }

        .user-type h4 {
            font-size: 1.3rem;
            font-weight: 600;
            margin-bottom: 20px;
            color: var(--accent-color);
        }

        .user-scenario {
            margin-bottom: 20px;
        }

        .user-scenario h5 {
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .user-scenario p {
            font-size: 0.9rem;
            line-height: 1.4;
            color: #666;
            margin: 0;
        }

        /* Testimonials */
        .testimonials {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin: 60px 0;
        }

        .testimonial {
            background: white;
            padding: 30px;
            border-radius: 12px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
            text-align: center;
            border: 1px solid #e9ecef;
        }

        .testimonial-text {
            font-style: italic;
            font-size: 1rem;
            line-height: 1.4;
            margin-bottom: 20px;
        }

        .testimonial-author {
            font-weight: 600;
            color: #666;
        }

        .bottomwrap{
            display: grid;
            grid-template-columns: 4fr 1fr;
            grid-template-areas: 
                "empty"
                "bw";
            gap: 40px;
            margin: 40px 0 0px 0;
        }

        .bottomwrap a {
            color: var(--text-color);
        }

        /* Responsive design */
        @media (max-width: 1200px) {
            .title {
                font-size: 72px;
            }
            
            .subtitle {
                font-size: 36px;
            }
        }

        @media (max-width: 992px) {
            .grid {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .content-section {
                grid-template-columns: repeat(3, 1fr);
            }
            
            .content-title {
                grid-column: 1 / 2;
            }
            
            .content-details {
                grid-column: 2 / 4;
            }
            
            .team-section {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .feature-grid {
                grid-template-columns: 1fr;
            }

            .challenge-solution {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding: 20px;
                padding-top: 130px;
            }
            
            .progress-bar {
                padding: 0 20px;
            }
            
            .progress-item {
                font-size: 12px;
                padding: 0 15px;
            }
            
            .grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .content-section {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            
            .title-section, 
            .subtitle-section, 
            .details, 
            .project-info {
                grid-column: 1 / -1;
            }
            
            .content-title, 
            .content-details {
                grid-column: 1 / -1;
            }
            
            .title {
                font-size: 48px;
            }
            
            .subtitle {
                font-size: 24px;
            }
            
            .content-details .big-text {
                font-size: 24px;
            }
            
            .img-section {
                margin: 20px -20px;
                width: calc(100% + 40px);
            }
            
            .navbar a {
                padding: 14px 20px;
                width: auto;
            }

            .black-mirror {
                padding: 20px;
                margin: 40px -20px;
            }

            .flow-step::after {
                display: none;
            }
        }

        /* Fullscreen image functionality */
        .fullscreen-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.9);
            z-index: 1000;
            justify-content: center;
            align-items: center;
        }

        .fullscreen-image {
            max-width: 90%;
            max-height: 90%;
        }

        .close-button {
            position: absolute;
            top: 20px;
            right: 20px;
            color: white;
            font-size: 30px;
            cursor: pointer;
        }

        .dark-mode .stage-card,
        .dark-mode .plant-type,
        .dark-mode .user-type,
        .dark-mode .testimonial,
        .dark-mode .mirror-scenario {
            background: #2a2a2a;
            border-color: #333;
        }

        .dark-mode .challenge-solution {
            background: #2a2a2a;
        }

        .dark-mode .flow-step {
            background: #2a3d2a;
        }

        .dark-mode .feature-box {
            background: #2a3d2a;
        }

        .dark-mode .quote {
            background: #2a3d2a;
        }

        .dark-mode .black-mirror {
            background: #2a2a2a;
        }