:root{--bg-primary:#0A1628;--bg-secondary:#0F1D32;--bg-card:#142440;--bg-elevated:#1A2E4A;--primary:#1E3A5F;--primary-light:#2A4A73;--primary-lighter:#3D6090;--accent:#C9A962;--accent-light:#D4BC7D;--accent-dark:#B08C45;--secondary:#2D4A6F;--text-primary:#E8ECF0;--text-secondary:#A0AEC0;--text-muted:#6B7A8F;--border:#1E3352;--border-light:#2A4565;--success:#4A9D7C;--danger:#C75C5C;--shadow-sm:0 2px 8px rgba(0,0,0,0.3);--shadow-md:0 4px 16px rgba(0,0,0,0.4);--shadow-lg:0 8px 32px rgba(0,0,0,0.5);--font-heading:var(--font-playfair),var(--font-noto-kr),serif;--font-body:var(--font-inter),var(--font-noto-kr),-apple-system,sans-serif}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{background-color:var(--bg-primary);color:var(--text-primary);line-height:1.7;overflow-x:hidden;-webkit-font-smoothing:antialiased}.lang-selector select,body{font-family:var(--font-body)}.lang-selector 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a:hover:after{width:100%}.hero-section{position:relative;min-height:100vh;display:flex;flex-direction:column;justify-content:center;align-items:center;overflow:hidden;background:linear-gradient(180deg,var(--bg-primary) 0,var(--bg-secondary) 100%)}#heroCanvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:1;opacity:.7}.hero-content{position:relative;z-index:10;text-align:center;padding:3rem 2rem;max-width:900px}.hero-content h1{font-family:var(--font-heading);font-size:3.8rem;font-weight:600;margin-bottom:1.5rem;color:var(--text-primary);letter-spacing:-.01em;line-height:1.2}.hero-content h1 span{display:block;font-size:2.2rem;font-weight:400;color:var(--accent);margin-bottom:1rem;letter-spacing:.05em}.subtitle{font-size:1.1rem;color:var(--text-secondary);margin-bottom:.75rem;font-weight:400;letter-spacing:.03em;text-transform:uppercase}.description{font-size:1.15rem;color:var(--text-muted);margin-bottom:3rem;max-width:600px;margin-left:auto;margin-right:auto}.hero-stats{display:flex;justify-content:center;gap:4rem;margin-top:4rem}.stat{display:flex;flex-direction:column;align-items:center;padding:1.5rem 2rem;background:rgba(20,36,64,.6);border:1px solid var(--border-light);border-radius:12px;min-width:140px}.stat-value{font-family:var(--font-heading);font-size:2.2rem;font-weight:600;color:var(--accent);letter-spacing:-.02em}.stat-label{margin-top:.5rem;letter-spacing:.08em}.scroll-indicator,.stat-label{font-size:.8rem;color:var(--text-muted);text-transform:uppercase}.scroll-indicator{position:absolute;bottom:3rem;left:50%;transform:translateX(-50%);display:flex;flex-direction:column;align-items:center;gap:.75rem;letter-spacing:.1em;z-index:10}.scroll-indicator .scroll-line{width:1px;height:40px;background:linear-gradient(to bottom,var(--accent),transparent);animation:scrollPulse 2s ease-in-out infinite}@keyframes scrollPulse{0%,to{opacity:.3;transform:scaleY(.8)}50%{opacity:1;transform:scaleY(1)}}section{padding:7rem 2rem;position:relative}.section-header{text-align:center;margin-bottom:4rem}.section-header 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h3{font-family:var(--font-heading);font-size:1.3rem;font-weight:500;margin-bottom:1.5rem;text-align:center;display:flex;align-items:center;justify-content:center;gap:.75rem}.problem-card h3 .indicator{width:10px;height:10px;border-radius:50%;display:inline-block}.problem-card h3 .indicator.negative{background:var(--danger)}.problem-card h3 .indicator.positive{background:var(--success)}.search-demo{display:flex;flex-direction:column;gap:1rem}.search-canvas{width:100%;height:140px;background:var(--bg-primary);border-radius:8px;margin-bottom:1rem}.search-info{text-align:center}.search-bar-distributed,.search-bar-sequential{display:flex;gap:.75rem;justify-content:center;margin-bottom:1rem}.search-bar-distributed input,.search-bar-sequential input{padding:.85rem 1.25rem;border-radius:8px;border:1px solid var(--border);background:var(--bg-primary);color:var(--text-primary);width:200px;font-family:inherit;font-size:.95rem}.search-btn{padding:.85rem 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ease;font-weight:500}.tag:hover{background:var(--accent);color:var(--bg-primary);border-color:var(--accent)}.demo-visualization{position:relative;margin-bottom:2rem}#demoCanvas{width:100%;height:280px;background:var(--bg-primary);border-radius:12px;border:1px solid var(--border)}.demo-legend{display:flex;justify-content:center;gap:2.5rem;margin-top:1.25rem}.legend-item{display:flex;align-items:center;gap:.6rem;font-size:.85rem;color:var(--text-secondary)}.legend-dot{width:10px;height:10px;border-radius:50%}.legend-dot.normal{background:var(--text-muted)}.legend-dot.matched{background:var(--success)}.legend-dot.broadcasting{background:var(--accent)}.demo-results{background:var(--bg-primary);border-radius:12px;padding:1.5rem;border:1px solid var(--border)}.results-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:1rem}.results-header h3{font-family:var(--font-heading);font-size:1.1rem;color:var(--text-primary);font-weight:500}.result-count{background:var(--accent);color:var(--bg-primary);padding:.3rem .9rem;border-radius:20px;font-size:.8rem;font-weight:600}.results-list{max-height:180px;overflow-y:auto}.results-list p{color:var(--text-muted);font-size:.9rem}.result-item{display:flex;justify-content:space-between;padding:.9rem 1rem;background:var(--bg-secondary);border-radius:8px;margin-bottom:.5rem;align-items:center;border:1px solid var(--border)}.result-item .node-id{font-weight:600;color:var(--accent);font-family:var(--font-heading)}.result-item .node-data{color:var(--text-secondary)}.result-item .node-score{background:var(--success);color:white;padding:.3rem .6rem;border-radius:4px;font-size:.75rem;font-weight:600}.footer{background:var(--bg-secondary);padding:4rem 2rem;border-top:1px solid var(--border)}.footer-content{max-width:800px;margin:0 auto;text-align:center}.patent-info{margin-bottom:1.5rem}.patent-info h3{font-family:var(--font-heading);font-size:1.5rem;color:var(--accent);margin-bottom:.5rem;font-weight:500}.patent-info p{color:var(--text-secondary);font-size:.95rem;line-height:1.6}.patent-date{color:var(--text-muted)!important;font-size:.8rem!important;margin-top:.75rem;letter-spacing:.05em}.footer-divider{width:60px;height:1px;background:var(--border-light);margin:1.5rem auto}.footer-links{margin-top:1.5rem}.footer-links a{color:var(--accent);text-decoration:none;font-size:.9rem;transition:color .3s ease;font-weight:500}.footer-links a:hover{color:var(--accent-light)}.copyright{margin-top:1.5rem;color:var(--text-muted);font-size:.85rem}.footer-contact{margin-top:.5rem}.footer-contact a{color:var(--text-secondary);font-size:.85rem;text-decoration:none}.footer-contact a:hover{color:var(--accent);text-decoration:underline}@media (max-width:768px){.hero-content h1{font-size:2.4rem}.hero-content h1 span{font-size:1.6rem}.hero-stats{flex-direction:column;gap:1rem}.stat{min-width:auto;padding:1.25rem 1.5rem}.problem-comparison,.solution-steps{grid-template-columns:1fr}.search-box{flex-direction:column}.nav-links{display:none}section{padding:5rem 1.5rem}}