/* --- DESIGN SYSTEM CORE & UTILITIES --- */
        :root {
            --bg-deep: #080c10;
            --bg-card: #0e1622;
            --bg-code: #05080c;
            --accent-green: #00ff41;
            --accent-green-glow: rgba(0, 255, 65, 0.15);
            --accent-green-glow-strong: rgba(0, 255, 65, 0.4);
            --text-primary: #e8f4e8;
            --text-secondary: #90a4ae;
            --text-muted: #4f6a7a;
            --border-subtle: rgba(0, 255, 65, 0.1);
            --border-hover: rgba(0, 255, 65, 0.3);

            --font-display: 'Space Grotesk', sans-serif;
            --font-body: 'Inter', sans-serif;
            --font-mono: 'JetBrains Mono', monospace;
            --font-terminal: 'fixedsys', monospace;

            --transition-smooth: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
        }

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

        body {
            background-color: var(--bg-deep);
            color: var(--text-primary);
            font-family: var(--font-body);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        /* Ambient Glow Gradients */
        .ambient-glow-top {
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100vw;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 255, 65, 0.05) 0%, rgba(8, 12, 16, 0) 70%);
            pointer-events: none;
            z-index: 1;
        }

        .ambient-glow-bottom {
            position: fixed;
            bottom: -300px;
            right: -100px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 255, 65, 0.03) 0%, rgba(8, 12, 16, 0) 75%);
            pointer-events: none;
            z-index: 1;
        }

        /* Particle Grid Canvas */
        #particle-canvas {
            position: fixed;
            top: 0;
            left: 0;
            width: 100vw;
            height: 100vh;
            pointer-events: none;
            z-index: 0;
            opacity: 0.4;
        }

        /* Structure & Navigation */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 2rem;
            position: relative;
            z-index: 10;
        }

        header {
            padding: 1.5rem 0;
            border-bottom: 1px solid var(--border-subtle);
            position: sticky;
            top: 0;
            z-index: 100;
            background-color: rgba(8, 12, 16, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }

        .nav-wrapper {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .brand-logo {
            font-family: var(--font-terminal);
            font-size: 32px;
            font-weight: 400;
            color: var(--accent-green);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            letter-spacing: normal;
            line-height: 1;
            -webkit-font-smoothing: none;
            -moz-osx-font-smoothing: none;
            font-smooth: never;
            text-rendering: optimizeSpeed;
        }

        .brand-logo::before {
            content: "~#";
            color: var(--text-muted);
            font-weight: 400;
        }

        .nav-links {
            display: flex;
            gap: 2rem;
            list-style: none;
            align-items: center;
        }

        .nav-links a {
            color: var(--text-secondary);
            text-decoration: none;
            font-family: var(--font-terminal);
            font-size: 16px;
            transition: var(--transition-smooth);
        }

        .nav-links a:hover {
            color: var(--accent-green);
        }

        .btn-nav-primary {
            padding: 0.5rem 1rem;
            border: 1px solid var(--accent-green);
            border-radius: 4px;
            color: var(--accent-green) !important;
            box-shadow: 0 0 10px var(--accent-green-glow);
            transition: var(--transition-smooth);
        }

        .btn-nav-primary:hover {
            background-color: var(--accent-green);
            color: var(--bg-deep) !important;
            box-shadow: 0 0 20px var(--accent-green-glow-strong);
        }

        /* Language Switcher */
        .lang-switcher {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            font-family: var(--font-mono);
            font-size: 0.75rem;
            margin-left: 0.5rem;
        }

        .lang-switcher a {
            color: var(--text-muted);
            text-decoration: none;
            padding: 0.2rem 0.4rem;
            border-radius: 3px;
            transition: var(--transition-smooth);
        }

        .lang-switcher a:hover {
            color: var(--accent-green);
        }

        .lang-switcher a.active {
            color: var(--accent-green);
            background-color: rgba(0, 255, 65, 0.1);
        }

        .lang-switcher span {
            color: var(--text-muted);
            opacity: 0.3;
        }

        /* Mobile Menu */
        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--border-subtle);
            border-radius: 4px;
            padding: 0.5rem;
            cursor: pointer;
            color: var(--accent-green);
            font-size: 1.25rem;
            line-height: 1;
        }

        /* --- HERO SECTION --- */
        .hero {
            padding: 8rem 0 6rem 0;
            text-align: center;
            min-height: 85vh;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-content {
            max-width: 800px;
            margin: 0 auto;
        }

        /* macOS Style Terminal Logo as Hero */
        .hero-terminal {
            background-color: var(--bg-code);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            width: 100%;
            max-width: 580px;
            margin: 0 auto 3.5rem auto;
            text-align: left;
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.5), 0 0 30px var(--accent-green-glow);
            overflow: hidden;
            transform: translateY(0);
            transition: var(--transition-smooth);
        }

        .hero-terminal:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(0, 255, 65, 0.25);
        }

        .terminal-header {
            background-color: #0b1018;
            padding: 0.75rem 1rem;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            border-bottom: 1px solid var(--border-subtle);
        }

        .terminal-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
        }
        .terminal-dot.close { background-color: #ff5f56; }
        .terminal-dot.minimize { background-color: #ffbd2e; }
        .terminal-dot.maximize { background-color: #27c93f; }

        .terminal-title {
            color: var(--text-muted);
            font-family: var(--font-mono);
            font-size: 0.75rem;
            margin-left: auto;
            margin-right: auto;
        }

        .terminal-body {
            padding: 2rem;
            font-family: var(--font-terminal);
            font-size: 16px;
            height: 180px;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
            letter-spacing: normal;
            -webkit-font-smoothing: none;
            -moz-osx-font-smoothing: none;
            font-smooth: never;
            text-rendering: optimizeSpeed;
        }

        .terminal-input-line {
            color: var(--accent-green);
            text-shadow: 0 0 8px rgba(0, 255, 65, 0.3);
        }

        .terminal-input-line::before {
            content: "~# ";
            color: var(--text-muted);
        }

        .terminal-output {
            color: var(--accent-green);
            font-weight: 400;
            text-shadow: 0 0 8px rgba(0, 255, 65, 0.4);
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .terminal-cursor {
            display: inline-block;
            width: 10px;
            height: 1.4rem;
            background-color: var(--accent-green);
            margin-left: 3px;
            animation: pulse-cursor 1s infinite;
            vertical-align: middle;
        }

        .hero-tagline {
            font-family: var(--font-display);
            font-size: 3.5rem;
            font-weight: 700;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 1.5rem;
            color: var(--text-primary);
        }

        .hero-subheadline {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 3rem auto;
            font-weight: 400;
        }

        .hero-ctas {
            display: flex;
            gap: 1.5rem;
            justify-content: center;
        }

        .btn-primary {
            padding: 1rem 2rem;
            background-color: var(--accent-green);
            color: var(--bg-deep);
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 700;
            text-decoration: none;
            border: 1px solid var(--accent-green);
            border-radius: 4px;
            box-shadow: 0 0 20px var(--accent-green-glow);
            transition: var(--transition-smooth);
            cursor: pointer;
        }

        .btn-primary:hover {
            background-color: transparent;
            color: var(--accent-green);
            box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
            transform: translateY(-2px);
        }

        .btn-secondary {
            padding: 1rem 2rem;
            background-color: transparent;
            color: var(--text-secondary);
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 500;
            text-decoration: none;
            border: 1px solid var(--border-subtle);
            border-radius: 4px;
            transition: var(--transition-smooth);
        }

        .btn-secondary:hover {
            border-color: var(--border-hover);
            color: var(--text-primary);
            transform: translateY(-2px);
        }

        /* --- SCROLL REVEAL ANIMATIONS --- */
        .reveal {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s cubic-bezier(0.16, 1, 0.3, 1), transform 0.7s cubic-bezier(0.16, 1, 0.3, 1);
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* Stagger children */
        .reveal-stagger > .reveal:nth-child(1) { transition-delay: 0ms; }
        .reveal-stagger > .reveal:nth-child(2) { transition-delay: 100ms; }
        .reveal-stagger > .reveal:nth-child(3) { transition-delay: 200ms; }
        .reveal-stagger > .reveal:nth-child(4) { transition-delay: 300ms; }

        /* --- ABOUT SECTION --- */
        .section-about {
            padding: 8rem 0;
            border-top: 1px solid var(--border-subtle);
        }

        .grid-about {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 4rem;
            align-items: center;
        }

        .about-text h2 {
            font-family: var(--font-display);
            font-size: 2.75rem;
            font-weight: 700;
            line-height: 1.2;
            margin-bottom: 2rem;
            letter-spacing: -0.02em;
        }

        .about-text p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 1.5rem;
            font-weight: 300;
        }

        .about-visual {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 3rem 2.5rem;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            position: relative;
            box-shadow: inset 0 0 20px rgba(0,0,0,0.5);
            overflow: hidden;
        }

        .about-visual svg {
            width: 100%;
            max-width: 460px;
            height: auto;
        }

        /* --- PRODUCTS SECTION --- */
        .section-products {
            padding: 8rem 0;
            border-top: 1px solid var(--border-subtle);
            background-color: rgba(14, 22, 34, 0.2);
        }

        .section-header {
            margin-bottom: 5rem;
            text-align: center;
        }

        .section-header h2 {
            font-family: var(--font-display);
            font-size: 2.75rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .section-header p {
            color: var(--text-secondary);
            font-size: 1.15rem;
            font-family: var(--font-mono);
        }

        .grid-products {
            display: grid;
            grid-template-columns: minmax(0, 600px);
            justify-content: center;
            gap: 3rem;
        }

        /* Product Card */
        .product-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 12px;
            padding: 3rem;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            transition: var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.3);
        }

        .product-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-green), transparent);
            transform: translateX(-100%);
            transition: transform 0.6s ease;
        }

        .product-card:hover::before {
            transform: translateX(100%);
        }

        .product-card:hover {
            transform: translateY(-5px);
            border-color: var(--border-hover);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4), 0 0 20px var(--accent-green-glow);
        }

        .product-status {
            font-family: var(--font-mono);
            font-size: 0.75rem;
            color: var(--accent-green);
            text-transform: uppercase;
            letter-spacing: 0.1em;
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }

        .product-status::before {
            content: '';
            display: inline-block;
            width: 6px;
            height: 6px;
            background-color: var(--accent-green);
            border-radius: 50%;
            box-shadow: 0 0 8px var(--accent-green);
        }

        .product-card.lab-card {
            border-style: dashed;
            background-color: rgba(8, 12, 16, 0.5);
            opacity: 0.7;
        }

        .product-card.lab-card .product-status {
            color: var(--text-muted);
        }
        .product-card.lab-card .product-status::before {
            background-color: var(--text-muted);
            box-shadow: none;
        }

        /* Scanline effect for lab card */
        .product-card.lab-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: repeating-linear-gradient(
                0deg,
                transparent,
                transparent 2px,
                rgba(0, 255, 65, 0.015) 2px,
                rgba(0, 255, 65, 0.015) 4px
            );
            pointer-events: none;
            animation: scanline-drift 8s linear infinite;
        }

        @keyframes scanline-drift {
            0% { background-position: 0 0; }
            100% { background-position: 0 100px; }
        }

        .product-name {
            font-family: var(--font-display);
            font-size: 2.25rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .product-description {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 2.5rem;
            font-weight: 300;
        }

        /* Product Pricing Preview Table */
        .product-pricing-table {
            width: 100%;
            border-collapse: collapse;
            margin-bottom: 3rem;
            font-size: 0.9rem;
        }

        .product-pricing-table th, .product-pricing-table td {
            text-align: left;
            padding: 0.75rem 0.5rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .product-pricing-table th {
            color: var(--text-muted);
            font-family: var(--font-mono);
            font-weight: 500;
            font-size: 0.75rem;
            text-transform: uppercase;
        }

        .product-pricing-table td {
            font-family: var(--font-body);
        }

        .product-pricing-table td.mono {
            font-family: var(--font-mono);
        }

        .product-pricing-table tr:hover td {
            color: var(--accent-green);
        }

        /* --- PHILOSOPHY SECTION --- */
        .section-philosophy {
            padding: 8rem 0;
            border-top: 1px solid var(--border-subtle);
        }

        .grid-philosophy {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
        }

        .philosophy-card {
            background-color: var(--bg-card);
            border: 1px solid var(--border-subtle);
            border-radius: 8px;
            padding: 3rem 2rem;
            transition: var(--transition-smooth);
        }

        .philosophy-card:hover {
            border-color: var(--border-hover);
            box-shadow: inset 0 0 20px rgba(0, 255, 65, 0.03);
            transform: translateY(-3px);
        }

        .philosophy-icon {
            font-size: 2.5rem;
            margin-bottom: 2rem;
            display: block;
            line-height: 1;
        }

        .philosophy-icon svg {
            width: 42px;
            height: 42px;
            stroke: var(--accent-green);
            stroke-width: 1.5;
            fill: none;
            stroke-linecap: round;
            stroke-linejoin: round;
            filter: drop-shadow(0 0 8px var(--accent-green-glow-strong));
            transition: var(--transition-smooth);
        }

        .philosophy-card:hover .philosophy-icon svg {
            filter: drop-shadow(0 0 12px var(--accent-green)) brightness(1.2);
            transform: scale(1.05);
        }

        .philosophy-card h3 {
            font-family: var(--font-display);
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .philosophy-card p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            font-weight: 300;
        }

        /* --- WHO IT'S FOR SECTION --- */
        .section-audience {
            padding: 8rem 0;
            border-top: 1px solid var(--border-subtle);
            background-color: rgba(14, 22, 34, 0.1);
        }

        .grid-audience {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2.5rem;
        }

        .audience-card {
            background-color: transparent;
            border-left: 2px solid var(--border-subtle);
            padding: 0 0 0 2rem;
            transition: var(--transition-smooth);
        }

        .audience-card:hover {
            border-left-color: var(--accent-green);
        }

        .audience-card h3 {
            font-family: var(--font-mono);
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 1.5rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .audience-card h3::before {
            content: '>';
            color: var(--accent-green);
        }

        .audience-card p {
            color: var(--text-secondary);
            font-size: 1rem;
            font-weight: 300;
        }

        /* --- MANIFESTO SECTION --- */
        .section-manifesto {
            padding: 10rem 0;
            border-top: 1px solid var(--border-subtle);
            background-color: rgba(5, 8, 12, 0.9);
            position: relative;
        }

        .manifesto-wrapper {
            max-width: 750px;
            margin: 0 auto;
        }

        .manifesto-body {
            font-family: var(--font-terminal);
            font-size: 16px;
            color: var(--text-primary);
            white-space: pre-line;
            line-height: 1.8;
            border-left: 1px solid var(--border-subtle);
            padding-left: 2.5rem;
            opacity: 0.8;
            letter-spacing: normal;
            -webkit-font-smoothing: none;
            -moz-osx-font-smoothing: none;
            font-smooth: never;
            text-rendering: optimizeSpeed;
            overflow: hidden;
        }

        .manifesto-body .highlight {
            color: var(--accent-green);
        }

        .manifesto-body .manifesto-cursor {
            display: inline-block;
            width: 8px;
            height: 1.2rem;
            background-color: var(--accent-green);
            animation: pulse-cursor 1s infinite;
            vertical-align: middle;
            margin-left: 2px;
        }

        /* --- NEWSLETTER SECTION --- */
        .section-newsletter {
            padding: 8rem 0;
            border-top: 1px solid var(--border-subtle);
            text-align: center;
        }

        .newsletter-content {
            max-width: 550px;
            margin: 0 auto;
        }

        .newsletter-content h2 {
            font-family: var(--font-display);
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }

        .newsletter-content p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            margin-bottom: 2.5rem;
            font-weight: 300;
        }

        .newsletter-form {
            display: flex;
            gap: 1rem;
        }

        .newsletter-input {
            flex: 1;
            padding: 1rem 1.5rem;
            background-color: var(--bg-code);
            border: 1px solid var(--border-subtle);
            border-radius: 4px;
            color: var(--text-primary);
            font-family: var(--font-mono);
            font-size: 0.9rem;
            transition: var(--transition-smooth);
        }

        .newsletter-input:focus {
            outline: none;
            border-color: var(--accent-green);
            box-shadow: 0 0 15px rgba(0, 255, 65, 0.15);
        }

        /* --- FOOTER --- */
        footer {
            padding: 6rem 0;
            border-top: 1px solid var(--border-subtle);
            background-color: var(--bg-deep);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 4rem;
            margin-bottom: 4rem;
        }

        .footer-logo-block p {
            margin-top: 1.5rem;
            color: var(--text-muted);
            max-width: 320px;
            font-weight: 300;
        }

        .footer-column h4 {
            font-family: var(--font-mono);
            color: var(--text-primary);
            font-weight: 700;
            margin-bottom: 1.5rem;
            font-size: 0.9rem;
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .footer-column ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }

        .footer-column a {
            color: var(--text-muted);
            text-decoration: none;
            transition: var(--transition-smooth);
        }

        .footer-column a:hover {
            color: var(--accent-green);
            padding-left: 4px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            border-top: 1px solid rgba(255, 255, 255, 0.03);
            padding-top: 2rem;
            color: var(--text-muted);
            font-family: var(--font-mono);
            font-size: 0.75rem;
        }

        .footer-cursor {
            color: var(--accent-green);
            animation: pulse-cursor 1s infinite;
        }

        /* --- KEYFRAMES --- */
        @keyframes pulse-cursor {
            0%, 100% { opacity: 1; }
            50% { opacity: 0; }
        }

        /* --- RESPONSIVE --- */
        @media (max-width: 1024px) {
            .grid-about {
                grid-template-columns: 1fr;
                gap: 3rem;
            }

            .grid-philosophy, .grid-audience {
                grid-template-columns: 1fr;
                gap: 2rem;
            }

            .hero-tagline {
                font-size: 2.75rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: rgba(8, 12, 16, 0.97);
                backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 2rem;
                gap: 1.5rem;
                border-bottom: 1px solid var(--border-subtle);
            }

            .nav-links.open {
                display: flex;
            }

            .mobile-toggle {
                display: block;
            }

            header .nav-wrapper {
                position: relative;
            }
        }

        @media (max-width: 580px) {
            .hero-tagline {
                font-size: 2.25rem;
            }

            .newsletter-form {
                flex-direction: column;
            }

            .hero-ctas {
                flex-direction: column;
                gap: 1rem;
            }

            .container {
                padding: 0 1.25rem;
            }

            .section-header h2 {
                font-size: 2rem;
            }

            .about-text h2 {
                font-size: 2rem;
            }
        }