:root {
            --bg-main: #FFFFFF; 
            --bg-soft: #F9FAFB; 
            --bg-dark: #0A0F19; 
            --text-primary: #121826; 
            --text-secondary: #4B5563; 
            --text-light: #F9FAFB; 
            --text-light-secondary: #A6B0C3;
            --accent-blue: #3B82F6; 
            --accent-purple: #A78BFA;
            --border-color: #E5E7EB; 
            --border-dark: #374151;
            --shadow-light: 0 12px 24px -4px rgba(18, 24, 38, 0.08), 0 8px 16px -4px rgba(18, 24, 38, 0.05);
            --font-sans: 'Alliance No.1', sans-serif; 
            --font-mono: 'Source Code Pro', monospace;
            --header-height: 80px;
            --container-width: 1440px; 
            --radius-sm: 8px;
            --radius-lg: 12px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans); 
            background-color: var(--bg-main); 
            color: var(--text-primary);
            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; }
        .section { padding: 160px 0; position: relative; overflow: hidden; }
        .section-soft { background-color: var(--bg-soft); border-top: 1px solid var(--border-color); border-bottom: 1px solid var(--border-color); }
        .eyebrow { 
            font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-blue); 
            font-weight: 700; margin-bottom: 1.5rem; display: block; 
            text-transform: uppercase; letter-spacing: 0.05em;
        }
        .title { 
            font-size: clamp(3rem, 5vw, 4.8rem); font-weight: 800; 
            letter-spacing: -0.04em; line-height: 1.1; margin-bottom: 2rem; 
        }
        .subtitle { 
            font-size: 1.3rem; color: var(--text-secondary); 
            max-width: 70ch; line-height: 1.8; 
        }
        .text-center { text-align: center; }
        .text-center .subtitle { margin-left: auto; margin-right: auto; }


        .header {
            position: fixed; top: 0; left: 0; width: 100%; z-index: 1000; height: var(--header-height);
            background-color: transparent; border-bottom: 1px solid transparent;
            transition: background-color var(--transition), border-color var(--transition);
        }
        .header.scrolled {
            background-color: rgba(255, 255, 255, 0.95); backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px); border-bottom-color: 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);
            transition: color var(--transition);
        }
        .header.scrolled .nav-logo-text { color: var(--text-primary); }
        .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-sm); 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(--text-primary); }
        .header.scrolled .nav-btn { border-color: var(--text-primary); color: var(--text-primary); }
        .header.scrolled .nav-btn:hover { background-color: var(--text-primary); color: var(--text-light); }
        .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: color var(--transition), background-color var(--transition); border-radius: 50%;
        }
        .nav-icon-btn:hover { background-color: rgba(255, 255, 255, 0.1); }
        .header.scrolled .nav-icon-btn { color: var(--text-primary); }
        .header.scrolled .nav-icon-btn:hover { background-color: rgba(0, 0, 0, 0.05); }
        .nav-toggle .fa-xmark { display: none; }
        .menu-open .header .nav-toggle .fa-bars { display: none; }
        .menu-open .header .nav-toggle .fa-xmark { display: block; }
        .menu-open .header { background-color: transparent; border-bottom-color: transparent; }
        .menu-open .header .nav-logo-text, .menu-open .header .nav-icon-btn, .menu-open .header .nav-btn {
            color: var(--text-light); border-color: var(--text-light);
        }
        .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-light-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-light-secondary); }
        .fullscreen-menu-col.sub-nav ul li a:hover { color: var(--text-light); }


        
        .ir-hero-section {
            min-height: 100vh; display: flex; align-items: center;
            background-color: var(--bg-dark); color: var(--text-light);
            overflow: hidden; 
        }
        #hero-canvas { position: absolute; top: 0; left: 0; width: 100%; height: 100%; z-index: 0; opacity: 0.7; }
        .ir-hero-section .container { position: relative; z-index: 1; }
        .ir-hero-section .title {
            background: linear-gradient(90deg, #ffffff, #c0c8d8);
            -webkit-background-clip: text; -webkit-text-fill-color: transparent;
            color: var(--text-light);
        }
        .ir-hero-section .subtitle { color: var(--text-light-secondary); }
        .ir-hero-section .eyebrow { color: var(--accent-purple); }

        
        .ir-thesis-grid {
            display: grid; grid-template-columns: 1fr 2fr; gap: 5rem; align-items: center; margin-top: 5rem;
        }
        .ir-thesis-points { display: flex; flex-direction: column; gap: 2.5rem; }
        .ir-thesis-point { display: flex; gap: 1.5rem; }
        .ir-thesis-point .number {
            font-size: 1.5rem; font-weight: 700; color: var(--accent-blue);
            font-family: var(--font-mono);
        }
        .ir-thesis-point h4 { font-size: 1.2rem; margin-bottom: 0.5rem; }
        .ir-thesis-point p { color: var(--text-secondary); font-size: 0.95rem; }
        
        
        .ir-platform-grid {
            display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 5rem;
        }
        .ir-platform-card {
            background-color: var(--bg-main); border: 1px solid var(--border-color);
            border-radius: var(--radius-lg); padding: 2.5rem; transition: var(--transition);
        }
        .ir-platform-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-light); }
        .ir-platform-card i {
            font-size: 2rem; color: var(--accent-blue); margin-bottom: 1.5rem;
            display: block;
        }
        .ir-platform-card h3 { font-size: 1.4rem; margin-bottom: 1rem; }
        .ir-platform-card p { font-size: 1rem; color: var(--text-secondary); }

        
        .ir-market-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
            gap: 2rem;
            margin-top: 5rem;
            text-align: left;
        }
        .ir-market-card {
            background-color: var(--bg-soft);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .ir-market-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-light);
            border-color: var(--accent-blue);
        }
        .ir-market-card i {
            font-size: 1.8rem;
            color: var(--accent-blue);
            margin-bottom: 1.5rem;
            display: block;
        }
        .ir-market-card .market-tam {
            font-family: var(--font-mono);
            font-size: clamp(2.5rem, 5vw, 3.5rem);
            font-weight: 700;
            color: var(--text-primary);
            line-height: 1;
            margin-bottom: 1rem;
        }
        .ir-market-card .market-title {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .ir-market-card .market-catalyst {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }
        .ir-market-card .market-catalyst strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        
        .ir-roadmap-container {
            display: grid; grid-template-columns: 1fr 1.5fr; gap: 5rem; align-items: flex-start;
        }
        .ir-roadmap-timeline {
            margin-top: 2rem; position: relative;
            border-left: 3px solid var(--border-color); padding-left: 2.5rem;
        }
        .ir-roadmap-item { position: relative; padding-bottom: 3rem; }
        .ir-roadmap-item:last-child { padding-bottom: 0; }
        .ir-roadmap-item::before {
            content: ''; position: absolute; left: -2.5rem; top: 5px;
            width: 18px; height: 18px; border-radius: 50%;
            background-color: var(--bg-main); border: 3px solid var(--accent-blue);
            transform: translateX(-50%);
        }
        .ir-roadmap-item.completed::before { background-color: var(--accent-blue); }
        .ir-roadmap-item .phase {
            font-family: var(--font-mono); font-size: 0.9rem; color: var(--accent-blue);
            font-weight: 700; margin-bottom: 0.5rem;
        }
        .ir-roadmap-item h4 { font-size: 1.3rem; margin-bottom: 0.75rem; }
        .ir-roadmap-item p { color: var(--text-secondary); }

        
        .ir-cta-box {
            background: linear-gradient(135deg, var(--accent-blue), var(--accent-purple));
            border-radius: var(--radius-lg); padding: 6rem; text-align: center;
            color: var(--text-light);
        }
        .ir-cta-box h2 { font-size: 3rem; margin-bottom: 1.5rem; }
        .ir-cta-box p { color: rgba(255,255,255,0.85); max-width: 60ch; margin: 0 auto 3rem auto; font-size: 1.1rem; }
        .ir-cta-box .cta-btn {
            background-color: var(--text-light); color: var(--text-primary);
            border: 2px solid var(--text-light); font-size: 1.1rem; padding: 1.2rem 3rem;
            border-radius: var(--radius-lg); font-weight: 700; text-decoration: none;
            transition: var(--transition); display: inline-flex; align-items: center; gap: 0.75rem;
        }
        .ir-cta-box .cta-btn:hover { background-color: transparent; color: var(--text-light); }

        
        .footer { 
            background-color: var(--bg-dark); border-top: 1px solid var(--border-dark); 
            padding: 80px 0; font-size: 0.95rem; color: var(--text-light-secondary);
        }
        .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-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-light-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-dark); 
            display: flex; justify-content: space-between; align-items: center; 
        }
        .social-links { display: flex; gap: 1.5rem; }
        .social-links a { color: var(--text-light-secondary); font-size: 1.2rem; transition: var(--transition); }
        .social-links a:hover { color: var(--text-light); transform: translateY(-2px); }


        @media (max-width: 1200px) {
            .ir-thesis-grid, .ir-roadmap-container { grid-template-columns: 1fr; gap: 3rem; }
        }
        @media (max-width: 992px) {
            .section { padding: 120px 0; }
            .ir-platform-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-about { grid-column: 1 / -1; margin-bottom: 2rem; }
            
            .fullscreen-menu-grid {
                grid-template-columns: 1fr;
                gap: 3rem;
            }
            .fullscreen-menu-col,
            .fullscreen-menu-col.main-nav,
            .fullscreen-menu-col.sub-nav {
                grid-column: span 1;
            }
            .fullscreen-menu-col.main-nav ul li a {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .section { padding: 100px 0; }
            .title { font-size: clamp(2.2rem, 8vw, 3rem); }
            .subtitle { font-size: 1.1rem; }
            
            .nav-btn { display: none; } 
            .ir-market-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; gap: 1.5rem; text-align: center; }
            .ir-cta-box { padding: 4rem 2rem; }
            .ir-cta-box h2 { font-size: 2.2rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 1.5rem; }
        }