:root {
            --bg-dark: #05080D;
            --bg-panel: #10151F;
            --border-color: #2A3447;
            --text-light: #E1E8F2;
            --text-secondary: #8A9CB1;
            --accent-cyan: #00E0FF;
            --accent-blue: #3B82F6;
            --accent-purple: #A78BFA;
            --accent-green: #22C55E;
            --accent-red: #EF4444;
            --accent-yellow: #FBBF24;
            --accent-glow: rgba(0, 224, 255, 0.1);
            --font-sans: 'Alliance No.1', sans-serif;
            --font-mono: 'Source Code Pro', monospace;
            --header-height: 80px;
            --container-width: 1600px;
            --radius: 8px;
            --transition: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1);
        }

        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; font-size: 16px; }
        
        body {
            font-family: var(--font-sans);
            background-color: var(--bg-dark);
            color: var(--text-light);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        body.menu-open { overflow: hidden; }
        .container { max-width: var(--container-width); margin: 0 auto; padding: 0 2rem; }
        

        .header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
            height: var(--header-height); background-color: rgba(5, 8, 13, 0.5);
            backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--border-color);
        }
        .navbar { display: flex; justify-content: space-between; align-items: center; height: 100%; }
        .nav-logo { display: flex; align-items: center; text-decoration: none; flex-shrink: 0; }
        .nav-logo-text { font-weight: 800; font-size: 1.5rem; color: var(--text-light); }
        .nav-controls { display: flex; align-items: center; gap: 1rem; }
        .nav-btn {
            padding: 0.6rem 1.5rem; font-weight: 600; text-decoration: none;
            border-radius: var(--radius); transition: var(--transition);
            border: 1px solid var(--text-light); color: var(--text-light); background-color: transparent;
        }
        .nav-btn:hover { background-color: var(--text-light); color: var(--bg-dark); }
        .nav-icon-btn {
            background: none; border: none; cursor: pointer; font-size: 1.2rem;
            width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
            color: var(--text-light); transition: var(--transition); border-radius: 50%;
        }
        .nav-icon-btn:hover { background-color: rgba(255, 255, 255, 0.1); }
        .nav-toggle .fa-xmark { display: none; }
        .menu-open .header .nav-toggle .fa-bars { display: none; }
        .menu-open .header .nav-toggle .fa-xmark { display: block; }
        .fullscreen-menu {
            position: fixed; top: 0; left: 0; width: 100vw; height: 100vh;
            background-color: var(--bg-dark); z-index: 999;
            opacity: 0; visibility: hidden; pointer-events: none;
            transition: opacity var(--transition), visibility var(--transition);
            overflow-y: auto; padding: calc(var(--header-height) + 4rem) 2rem 4rem 2rem;
        }
        .fullscreen-menu.is-active { opacity: 1; visibility: visible; pointer-events: all; }
        .fullscreen-menu-grid { max-width: var(--container-width); margin: 0 auto; display: grid; grid-template-columns: repeat(12, 1fr); gap: 2rem; }
        .fullscreen-menu-col { grid-column: span 3; }
        .fullscreen-menu-col.main-nav { grid-column: span 4; }
        .fullscreen-menu-col.sub-nav { grid-column: span 2; }
        .fullscreen-menu-col h5 { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-secondary); margin-bottom: 1.5rem; font-size: 0.8rem; }
        .fullscreen-menu-col ul { list-style: none; padding: 0; }
        .fullscreen-menu-col ul li a { display: block; text-decoration: none; color: var(--text-light); transition: color var(--transition), padding-left var(--transition); }
        .fullscreen-menu-col ul li a:hover { color: var(--accent-blue); padding-left: 0.5rem; }
        .fullscreen-menu-col.main-nav ul li { margin-bottom: 1rem; }
        .fullscreen-menu-col.main-nav ul li a { font-size: 2.5rem; font-weight: 700; letter-spacing: -0.03em; }
        .fullscreen-menu-col.sub-nav ul li { margin-bottom: 0.8rem; }
        .fullscreen-menu-col.sub-nav ul li a { font-size: 1rem; font-weight: 500; color: var(--text-secondary); }
        .fullscreen-menu-col.sub-nav ul li a:hover { color: var(--text-light); }


        main {
            position: relative;
            z-index: 1;
        }
        #kaia-core-container {
            position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
            z-index: 0; pointer-events: none;
        }
        .background-visuals {
            position: fixed; top: 0; left: 0; width: 100%; height: 100vh;
            z-index: -1; pointer-events: none;
        }
        .background-visuals > div {
            position: absolute; top: 0; left: 0; width: 100%; height: 100%;
            opacity: 0; transition: opacity 1s ease-in-out;
        }
        .background-visuals > div.is-active { opacity: 1; }
        #bg-grid { background: linear-gradient(var(--border-color) 1px, transparent 1px), linear-gradient(to right, var(--border-color) 1px, transparent 1px); background-size: 50px 50px; }
        #bg-particles {  }
        #bg-topo { background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="100" height="100" viewBox="0 0 100 100"><path d="M 10,90 Q 50,10 90,90" stroke="%232A3447" fill="none" stroke-width="1" stroke-linecap="round"/><path d="M 5,50 Q 50,80 95,50" stroke="%232A3447" fill="none" stroke-width="1" stroke-linecap="round"/><path d="M 20,20 Q 50,40 80,20" stroke="%232A3447" fill="none" stroke-width="1" stroke-linecap="round"/></svg>'); background-size: 200px; }

        .ontology-wrapper { 
            display: grid; 
            grid-template-columns: 300px 1fr; 
            position: relative;
            z-index: 2; 
        }
        #ontology-nav {
            position: sticky; 
            top: var(--header-height); 
            height: calc(100vh - var(--header-height));
            padding: 60px 0; 
            border-right: 1px solid var(--border-color);
            overflow-y: auto;
        }
        #ontology-nav ul { list-style: none; padding: 0; }
        #ontology-nav li a {
            display: flex; align-items: center; gap: 1rem; padding: 1rem 2rem;
            text-decoration: none; font-weight: 600; color: var(--text-secondary);
            border-left: 4px solid transparent; transition: var(--transition);
        }
        #ontology-nav li a.active {
            color: var(--text-light);
            background: linear-gradient(to right, var(--accent-glow), transparent);
            border-left-color: var(--accent-cyan);
        }
        #ontology-nav li a .nav-icon { font-size: 1.2rem; width: 24px; text-align: center; }
        
        #ontology-panels { 
            padding-top: var(--header-height); 
        }
        .ontology-panel {
            min-height: 100vh; 
            padding: 80px 60px; 
            display: flex;
            flex-direction: column; 
            justify-content: center; 
            position: relative;
        }
        .eyebrow { 
            color: var(--accent-cyan); 
            font-family: var(--font-mono); 
            letter-spacing: 0.1em; 
            text-transform: uppercase; 
            margin-bottom: 1rem;
        }
        .panel-title { 
            font-size: clamp(3rem, 6vw, 4.5rem); 
            font-weight: 800; 
            letter-spacing: -0.04em; 
            line-height: 1.05; 
            margin-bottom: 1.5rem; 
        }
        .panel-description { 
            font-size: 1.2rem; 
            color: var(--text-secondary); 
            max-width: 75ch; 
            margin-bottom: 3rem; 
        }
        
        .capabilities-grid {
            display: grid; 
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 1.5rem;
        }
        .capability-card {
            background: rgba(16, 21, 31, 0.7); 
            backdrop-filter: blur(12px);
            border: 1px solid var(--border-color); 
            border-radius: var(--radius);
            padding: 2rem; 
            transition: transform 0.5s ease, box-shadow 0.5s ease;
            transform-style: preserve-3d; 
            position: relative; 
            overflow: hidden;
        }
        .capability-card::before {
            content: ''; position: absolute; top: 0; left: 0; right: 0; bottom: 0;
            border: 2px solid var(--accent-cyan); border-radius: var(--radius);
            opacity: 0; transition: opacity 0.5s ease; pointer-events: none;
            box-shadow: 0 0 20px var(--accent-cyan);
        }
        .capability-card:hover {
            transform: perspective(1000px) translateY(-10px) scale(1.03);
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.5);
        }
        .capability-card:hover::before { opacity: 1; }
        .capability-header { display: flex; align-items: flex-start; gap: 1rem; margin-bottom: 1rem; }
        .capability-viz { 
            width: 50px; height: 50px; flex-shrink: 0;
            background-color: rgba(0, 224, 255, 0.05);
            border: 1px solid var(--border-color); border-radius: 4px;
            display: flex; align-items: center; justify-content: center;
        }
        .capability-viz svg { width: 32px; height: 32px; stroke: var(--accent-cyan); stroke-width: 1.5; fill: none; }
        .capability-title h4 { font-size: 1.15rem; margin-bottom: 0.25rem; color: var(--text-light); }
        .capability-title p { font-size: 0.9rem; color: var(--accent-cyan); font-family: var(--font-mono); }
        .capability-body { font-size: 0.95rem; color: var(--text-secondary); }


        .footer { 
            background-color: var(--bg-dark); 
            border-top: 1px solid var(--border-color); 
            padding: 80px 0; 
            font-size: 0.95rem; 
            position: relative; 
            z-index: 10; 
        }
        .footer-grid { 
            display: grid; 
            grid-template-columns: 2fr repeat(4, 1fr); 
            gap: 2rem; 
            padding-bottom: 3rem; 
        }
        .footer-about h4 { font-size: 1.5rem; color: var(--text-light); margin-bottom: 1rem; }
        .footer-about p { color: var(--text-secondary); }
        .footer-col h5 { font-family: var(--font-mono); text-transform: uppercase; letter-spacing: 0.05em; color: var(--text-light); margin-bottom: 1.5rem; }
        .footer-col ul { list-style: none; padding: 0; }
        .footer-col ul li { margin-bottom: 1rem; }
        .footer-col ul a { color: var(--text-secondary); text-decoration: none; transition: var(--transition); }
        .footer-col ul a:hover { color: var(--text-light); }
        .footer-bottom { 
            padding-top: 2rem; 
            border-top: 1px solid var(--border-color); 
            display: flex; 
            justify-content: space-between; 
            align-items: center; 
        }
        .footer-bottom span { color: var(--text-secondary); }
        .social-links { display: flex; gap: 1.5rem; }
        .social-links a { color: var(--text-secondary); font-size: 1.2rem; transition: var(--transition); }
        .social-links a:hover { color: var(--text-light); transform: translateY(-2px); }


        
        
        @media (max-width: 1200px) {
            .ontology-wrapper {
                grid-template-columns: 1fr;
            }
            #ontology-nav {
                position: sticky;
                top: var(--header-height);
                height: auto;
                padding: 0;
                border-right: none;
                border-bottom: 1px solid var(--border-color);
                width: 100%;
                z-index: 20;
                background-color: rgba(5, 8, 13, 0.8);
                backdrop-filter: blur(5px);
            }
            #ontology-nav ul {
                display: flex;
                overflow-x: auto;
                padding: 0 1rem;
                -webkit-overflow-scrolling: touch;
            }
            #ontology-nav ul::-webkit-scrollbar { display: none; }
            #ontology-nav ul { scrollbar-width: none; }

            #ontology-nav li a {
                white-space: nowrap;
                border-left: none;
                border-bottom: 4px solid transparent;
                padding: 1rem 1.5rem;
            }
            #ontology-nav li a.active {
                border-left-color: transparent;
                border-bottom-color: var(--accent-cyan);
                background: none;
            }
            .ontology-panel {
                padding: 80px 2rem;
            }
            #ontology-panels {
                padding-top: 0;
            }
        }

        
        @media (max-width: 992px) {
            .fullscreen-menu-grid { grid-template-columns: 1fr 1fr; }
            .fullscreen-menu-col.main-nav { grid-column: 1 / -1; }
            
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-about {
                grid-column: 1 / -1;
                margin-bottom: 2rem;
            }
        }

        
        @media (max-width: 768px) {
            .container { padding: 0 1rem; }
            .panel-title { font-size: clamp(2.5rem, 10vw, 3.5rem); }
            .panel-description { font-size: 1.1rem; }
            .ontology-panel { padding: 60px 1rem; }

            .fullscreen-menu-grid { grid-template-columns: 1fr; }

            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { 
                flex-direction: column; 
                gap: 1.5rem; 
                text-align: center; 
            }
            .nav-btn { 
                display: none; 
            }
            .capabilities-grid { 
                grid-template-columns: 1fr; 
            }
        }