:root{--bg-gradient: linear-gradient(135deg, #0a0a1a, #0d0d20, #1a0a2e);--glass-bg: rgba(255, 255, 255, .05);--glass-border: rgba(255, 255, 255, .1);--glass-blur: blur(16px);--accent-primary: #6366f1;--accent-secondary: #8b5cf6;--accent-gradient: linear-gradient(135deg, #6366f1, #8b5cf6);--text-primary: rgba(255, 255, 255, .95);--text-secondary: rgba(255, 255, 255, .7);--text-muted: rgba(255, 255, 255, .45);--space-xs: 4px;--space-sm: 8px;--space-md: 16px;--space-lg: 24px;--space-xl: 40px;--space-2xl: 64px;--space-3xl: 96px;--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--transition-fast: .15s ease;--transition-base: .25s ease;--transition-slow: .4s ease;--section-max-width: 1100px;--navbar-height: 64px;--font-small-copy: "KoPubWorldDotum", "KoPub Dotum", "KoPubDotum", "KoPub돋움체", "Apple SD Gothic Neo", "Malgun Gothic", sans-serif;font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe 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p){font-family:var(--font-small-copy)}.btn-primary{display:inline-flex;align-items:center;gap:var(--space-sm);padding:.75rem 1.75rem;background:var(--accent-gradient);color:#fff;border:none;border-radius:var(--radius-full);font-size:1rem;font-weight:600;cursor:pointer;transition:opacity var(--transition-base),transform var(--transition-base);text-decoration:none}.btn-primary:hover{opacity:.88;transform:translateY(-2px)}.btn-ghost{display:inline-flex;align-items:center;gap:var(--space-sm);padding:.75rem 1.75rem;background:transparent;color:var(--text-primary);border:1px solid var(--glass-border);border-radius:var(--radius-full);font-size:1rem;font-weight:500;cursor:pointer;transition:background var(--transition-base),border-color var(--transition-base),transform 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#f59e0b1f}.gamemap-node-icon{font-size:1.1rem;flex-shrink:0;width:24px;text-align:center}.gamemap-node-label{flex:1;font-size:.9rem;font-weight:600}.gamemap-node-check{font-size:.75rem;color:#fbbf24;font-weight:700;flex-shrink:0}.game-hud{position:fixed;left:50%;right:auto;bottom:var(--space-lg);z-index:90;height:36px;width:min(520px,calc(100% - 32px));transform:translate(-50%);background:#0a0a1aeb;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border:1px solid rgba(245,158,11,.24);border-radius:var(--radius-full);box-shadow:0 12px 36px #00000052;display:flex;align-items:center;gap:var(--space-md);padding:0 var(--space-md)}.hud-level{font-size:.75rem;font-weight:700;color:#fbbf24;letter-spacing:.05em;flex-shrink:0;min-width:40px}.hud-xp-bar{flex:1;max-width:200px;height:6px;background:#ffffff14;border-radius:var(--radius-full);overflow:hidden}.hud-xp-fill{height:100%;background:linear-gradient(90deg,#f59e0b,#ef4444);border-radius:var(--radius-full);transition:width .6s cubic-bezier(.22,1,.36,1)}.hud-chapters{font-size:.72rem;color:var(--text-muted);flex-shrink:0}.hud-map-btn{margin-left:auto;padding:3px 12px;background:#f59e0b1f;border:1px solid rgba(245,158,11,.3);border-radius:var(--radius-full);font-size:.72rem;color:#fbbf24;cursor:pointer;transition:background var(--transition-fast),border-color var(--transition-fast);flex-shrink:0}.hud-map-btn:hover{background:#f59e0b38;border-color:#f59e0b8c}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);z-index:100;transition:background var(--transition-base),backdrop-filter var(--transition-base),-webkit-backdrop-filter var(--transition-base),border-color var(--transition-base);border-bottom:1px solid transparent}.navbar--scrolled{background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-bottom-color:var(--glass-border)}.navbar-inner{max-width:var(--section-max-width);margin:0 auto;height:100%;padding:0 var(--space-lg);display:grid;grid-template-columns:180px minmax(0,1fr) 120px;align-items:center;gap:var(--space-lg)}.navbar-logo{display:block;width:180px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:1.2rem;font-weight:700;letter-spacing:0;text-decoration:none}.navbar-links{display:flex;justify-content:center;list-style:none;gap:var(--space-xl);min-width:0}.navbar-link{color:var(--text-secondary);font-size:.9rem;font-weight:500;text-decoration:none;transition:color var(--transition-fast)}.navbar-link:hover{color:var(--text-primary)}.navbar-hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:36px;height:36px;background:transparent;border:none;cursor:pointer;padding:4px;justify-self:end}.navbar-hamburger span{display:block;height:2px;background:var(--text-primary);border-radius:var(--radius-full);transition:transform var(--transition-base),opacity var(--transition-base)}.navbar-hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}.navbar-hamburger.is-open span:nth-child(2){opacity:0}.navbar-hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}.navbar-theme-reset{justify-self:end;width:120px;padding:4px 12px;background:#ffffff0a;border:1px solid var(--glass-border);border-radius:var(--radius-full);font-size:.72rem;font-weight:600;color:var(--text-muted);cursor:pointer;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;text-transform:capitalize;letter-spacing:.04em}.navbar-theme-reset:hover{color:var(--text-primary);border-color:var(--accent-primary);background:#6366f114}.navbar-mobile-theme-reset{display:block;width:100%;padding:var(--space-md) var(--space-lg);background:transparent;border:none;color:var(--text-muted);font-size:.88rem;font-weight:500;text-align:left;cursor:pointer;transition:color var(--transition-fast),background var(--transition-fast);font-family:inherit}.navbar-mobile-theme-reset:hover{color:var(--accent-primary);background:var(--glass-bg)}.navbar-mobile-menu{list-style:none;display:flex;flex-direction:column;background:#0a0a1af2;backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);border-top:1px solid var(--glass-border);padding:var(--space-md) 0}.navbar-mobile-link{display:block;padding:var(--space-md) var(--space-lg);color:var(--text-secondary);font-size:1rem;font-weight:500;text-decoration:none;transition:color var(--transition-fast),background var(--transition-fast)}.navbar-mobile-link:hover{color:var(--text-primary);background:var(--glass-bg)}@media(max-width:768px){.navbar-inner{grid-template-columns:minmax(0,1fr) 44px}.navbar-logo{width:auto}.navbar-links,.navbar-theme-reset{display:none}.navbar-hamburger{display:flex}}.about-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:start}.about-text{display:flex;flex-direction:column;gap:var(--space-md)}.about-text p{color:var(--text-secondary);line-height:1.8}.about-card{padding:var(--space-xl)}.about-card-title{font-size:1.1rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-lg)}.about-info-list{list-style:none;display:flex;flex-direction:column;gap:var(--space-md)}.about-info-item{display:flex;justify-content:space-between;align-items:baseline;gap:var(--space-md);padding-bottom:var(--space-md);border-bottom:1px solid var(--glass-border)}.about-info-item:last-child{border-bottom:none;padding-bottom:0}.about-info-label{font-size:.8rem;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;flex-shrink:0}.about-info-value{font-size:.9rem;color:var(--text-primary);text-align:right}@media(max-width:768px){.about-grid{grid-template-columns:1fr}}.skills-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:var(--space-lg)}.skills-card{padding:var(--space-lg)}.skills-category{font-size:.8rem;font-weight:700;text-transform:uppercase;letter-spacing:.08em;color:var(--text-muted);margin-bottom:var(--space-md)}.skills-pills{display:flex;flex-wrap:wrap;gap:var(--space-sm)}.skill-pill{display:inline-block;padding:4px 12px;background:#6366f126;border:1px solid rgba(99,102,241,.25);border-radius:var(--radius-full);font-size:.85rem;color:var(--text-primary);transition:transform var(--transition-fast),background var(--transition-fast);cursor:default}.skill-pill:hover{transform:scale(1.05);background:#6366f147}@media(max-width:1100px){.skills-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:640px){.skills-grid{grid-template-columns:1fr}}.experience-layout{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xl);align-items:start}.experience-col-title{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:var(--space-lg);display:flex;align-items:center;gap:var(--space-sm)}.experience-col-icon{font-size:1.1rem}.timeline{position:relative;padding-left:20px}.timeline:before{content:"";position:absolute;left:6px;top:8px;bottom:8px;width:2px;background:linear-gradient(to bottom,var(--accent-primary),var(--accent-secondary));border-radius:var(--radius-full);opacity:.4}.timeline-item{position:relative;margin-bottom:var(--space-lg)}.timeline-item:last-child{margin-bottom:0}.timeline-dot{position:absolute;left:-18px;top:18px;width:10px;height:10px;border-radius:50%;background:var(--accent-gradient);box-shadow:0 0 8px #6366f199}.timeline-content{padding:var(--space-lg)}.timeline-header{display:flex;justify-content:space-between;align-items:flex-start;gap:var(--space-sm);margin-bottom:var(--space-xs);flex-wrap:wrap}.timeline-role{font-size:1rem;font-weight:700;color:var(--text-primary)}.timeline-period{font-size:.78rem;color:var(--accent-primary);font-weight:600;white-space:nowrap;padding:2px 8px;background:#6366f11f;border-radius:var(--radius-full)}.timeline-company{display:block;font-size:.85rem;color:var(--text-secondary);margin-bottom:var(--space-sm)}.timeline-desc{list-style:none;display:flex;flex-direction:column;gap:var(--space-xs)}.timeline-desc li{font-size:.85rem;color:var(--text-muted);line-height:1.6;padding-left:var(--space-md);position:relative}.timeline-desc li:before{content:"→";position:absolute;left:0;color:var(--accent-primary);font-size:.7rem;top:2px}.experience-right{display:flex;flex-direction:column;gap:var(--space-2xl)}.certs-list{display:flex;flex-direction:column;gap:var(--space-sm)}.cert-card{padding:var(--space-md) var(--space-lg);display:flex;justify-content:space-between;align-items:center;gap:var(--space-md);flex-wrap:wrap}.cert-name{font-size:.92rem;font-weight:600;color:var(--text-primary)}.cert-meta{display:flex;align-items:center;gap:var(--space-sm);flex-shrink:0}.cert-issuer{font-size:.8rem;color:var(--text-muted)}.cert-year{font-size:.78rem;font-weight:600;color:var(--accent-secondary);padding:2px 8px;background:#8b5cf61f;border-radius:var(--radius-full)}.global-desc{font-size:.88rem;color:var(--text-secondary);line-height:1.75;margin-bottom:var(--space-lg)}.languages-list{display:flex;flex-direction:column;gap:var(--space-sm)}.lang-card{padding:var(--space-md) var(--space-lg)}.lang-header{display:flex;justify-content:space-between;align-items:center}.lang-name{font-size:.9rem;font-weight:600;color:var(--text-primary)}.lang-level{font-size:.78rem;font-weight:600;color:var(--accent-primary);padding:2px 10px;background:#6366f11f;border:1px solid rgba(99,102,241,.2);border-radius:var(--radius-full)}.lang-score{display:block;font-size:.78rem;color:var(--text-muted);margin-top:var(--space-xs);line-height:1.55;white-space:pre-line}@media(max-width:768px){.experience-layout{grid-template-columns:1fr}}.heliades-demo{position:relative;width:100%;height:360px;background:linear-gradient(180deg,#06070b,#020305);border-radius:var(--radius-md) var(--radius-md) 0 0;overflow:hidden;display:flex;align-items:center;justify-content:center}.heliades-wave{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}.heliades-content{position:relative;z-index:1;display:flex;flex-direction:column;align-items:center;gap:6px}.heliades-status{font-size:.62rem;letter-spacing:.18em;text-transform:uppercase;padding:4px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.12);background:#00000061;color:#8d9ab3;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);transition:color .4s ease,border-color .4s ease}.heliades-orb-wrap{position:relative;width:280px;height:280px;display:flex;align-items:center;justify-content:center}.heliades-particle{position:absolute;inset:0;width:100%!important;height:100%!important;border-radius:50%}.heliades-label{position:relative;z-index:2;letter-spacing:.34em;font-size:.72rem;font-weight:300;color:#ffffff8c;text-transform:uppercase;mix-blend-mode:screen;pointer-events:none;-webkit-user-select:none;user-select:none}.heliades-demo-tag{font-size:.6rem;letter-spacing:.14em;text-transform:uppercase;color:#ffffff38}.projects-sub{margin-bottom:var(--space-3xl)}.proj-subtitle{text-align:center;color:var(--text-secondary);margin-top:calc(-1 * var(--space-lg));margin-bottom:var(--space-xl);font-size:.95rem}.projects-sub-title{font-size:1.1rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;letter-spacing:.12em;margin-bottom:var(--space-lg);padding-bottom:var(--space-sm);border-bottom:1px solid var(--glass-border)}.proj-featured-card{padding:0;overflow:hidden;margin-bottom:var(--space-lg)}.proj-video-wrap{width:100%;height:420px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0;background:#000}.proj-video{width:100%;height:100%;object-fit:cover;display:block}.proj-card-body{padding:var(--space-xl)}.proj-card-body--fill{flex:1}.proj-card-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.proj-badge{padding:3px 10px;border-radius:var(--radius-full);font-size:.72rem;font-weight:700;letter-spacing:.06em;flex-shrink:0}.proj-badge--ai{background:#06b6d426;border:1px solid rgba(6,182,212,.35);color:#06b6d4e6}.proj-badge--fe{background:#34d39926;border:1px solid rgba(52,211,153,.35);color:#34d399e6}.proj-title{font-size:1.15rem;font-weight:700;color:var(--text-primary)}.proj-description{font-size:.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:var(--space-md)}.proj-tags{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-bottom:var(--space-lg)}.proj-tag{padding:3px 10px;background:#8b5cf626;border:1px solid rgba(139,92,246,.25);border-radius:var(--radius-full);font-size:.78rem;color:var(--text-secondary)}.proj-links{display:flex;gap:var(--space-sm);margin-top:auto}.proj-btn{font-size:.85rem;padding:.5rem 1.2rem}.projects-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-lg)}.proj-card{padding:var(--space-xl);display:flex;flex-direction:column}.backend-featured-card{padding:0;overflow:hidden;margin-bottom:var(--space-lg)}.backend-slider-wrap{position:relative;width:100%;height:420px;overflow:hidden;border-radius:var(--radius-md) var(--radius-md) 0 0;background:#000}.backend-slider-img{width:100%;height:100%;object-fit:cover;display:block;animation:slide-fade-in .5s ease}@keyframes slide-fade-in{0%{opacity:0;transform:scale(1.03)}to{opacity:1;transform:scale(1)}}.slider-btn{position:absolute;top:50%;transform:translateY(-50%);background:#00000080;border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center;cursor:pointer;transition:background .2s;z-index:2}.slider-btn:hover{background:#000000bf}.slider-btn--prev{left:12px}.slider-btn--next{right:12px}.slider-dots{position:absolute;bottom:12px;left:50%;transform:translate(-50%);display:flex;gap:6px;z-index:2}.slider-dot{width:8px;height:8px;border-radius:50%;background:#fff6;border:none;cursor:pointer;transition:background .2s}.slider-dot--active{background:#fff}.backend-card-body{padding:var(--space-xl)}.backend-card-header{display:flex;align-items:center;gap:var(--space-md);margin-bottom:var(--space-md)}.proj-badge--be{padding:3px 10px;border-radius:var(--radius-full);font-size:.72rem;font-weight:700;letter-spacing:.06em;flex-shrink:0;background:#fb923c26;border:1px solid rgba(251,146,60,.35);color:#fb923ce6}.games-subtitle{text-align:center;color:var(--text-secondary);margin-top:calc(-1 * var(--space-lg));margin-bottom:var(--space-xl);font-size:.95rem}.games-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:var(--space-lg)}.game-card{padding:var(--space-xl);display:flex;flex-direction:column}.game-body{flex:1}.game-header{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-sm);margin-bottom:var(--space-md)}.game-title{font-size:1.15rem;font-weight:700;color:var(--text-primary)}.game-badge{flex-shrink:0;padding:3px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:600;white-space:nowrap}.game-badge--live{background:#22c55e26;border:1px solid rgba(34,197,94,.35);color:#4ade80}.game-badge--in-development{background:#6366f126;border:1px solid rgba(99,102,241,.35);color:var(--accent-primary)}.game-description{font-size:.9rem;color:var(--text-secondary);line-height:1.7;margin-bottom:var(--space-md)}.game-tags{display:flex;flex-wrap:wrap;gap:var(--space-xs);margin-bottom:var(--space-md)}.game-tag{padding:3px 10px;background:#8b5cf626;border:1px solid rgba(139,92,246,.25);border-radius:var(--radius-full);font-size:.78rem;color:var(--text-secondary)}.game-ai-highlight{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-sm) var(--space-md);margin-bottom:var(--space-md);background:linear-gradient(135deg,#6366f11f,#8b5cf61f);border:1px solid rgba(99,102,241,.3);border-radius:var(--radius-sm)}.game-ai-icon{font-size:.9rem;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;flex-shrink:0}.game-ai-text{font-size:.82rem;font-weight:500;background:var(--accent-gradient);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.game-links{display:flex;gap:var(--space-sm);margin-top:auto;padding-top:var(--space-md)}.game-btn{font-size:.85rem;padding:.5rem 1.2rem}.contact-subtitle{text-align:center;color:var(--text-secondary);margin-top:calc(-1 * var(--space-lg));margin-bottom:var(--space-xl);font-size:.95rem}.contact-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:var(--space-lg);max-width:720px;margin:0 auto}.contact-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:var(--space-xl);gap:var(--space-sm);text-decoration:none;color:inherit;transition:transform var(--transition-base),border-color var(--transition-base),background var(--transition-base)}.contact-card:hover{transform:translateY(-4px);border-color:var(--accent-primary);background:#6366f114}.contact-icon{font-size:2rem;margin-bottom:var(--space-xs)}.contact-label{font-size:1.1rem;font-weight:700;color:var(--text-primary)}.contact-description{font-size:.85rem;color:var(--text-muted);line-height:1.5}.footer{border-top:1px solid var(--glass-border);background:var(--glass-bg);backdrop-filter:var(--glass-blur);-webkit-backdrop-filter:var(--glass-blur);padding:var(--space-lg) var(--space-lg)}.footer-inner{max-width:var(--section-max-width);margin:0 auto;text-align:center}.footer-copy{color:var(--text-muted);font-size:.875rem}