:root{--font-sans: "Pretendard", -apple-system, BlinkMacSystemFont, system-ui, Roboto, sans-serif;--color-primary: #00f179;--color-primary-hover: #00cc66;--color-primary-glow: rgba(0, 241, 121, .15);--transition-fast: .2s cubic-bezier(.4, 0, .2, 1);--transition-normal: .3s cubic-bezier(.4, 0, .2, 1);--transition-slow: .5s cubic-bezier(.4, 0, .2, 1);--radius-sm: 6px;--radius-md: 12px;--radius-lg: 20px;--radius-full: 9999px;--spacing-container: 1200px;--bg-color: #fafbfc;--bg-surface: #ffffff;--bg-surface-glass: rgba(255, 255, 255, .7);--border-color: rgba(0, 0, 0, .08);--text-primary: #1a1c1e;--text-secondary: #5c626a;--text-muted: #8d95a0;--shadow-sm: 0 2px 8px rgba(0, 0, 0, .04);--shadow-md: 0 8px 30px rgba(0, 0, 0, .08);--shadow-lg: 0 20px 50px rgba(0, 0, 0, .12);--accent-soft: rgba(0, 241, 121, .08);--badge-bg: #f1f3f5;--badge-text: #495057}[data-theme=dark]{--bg-color: #0d0e12;--bg-surface: #15171e;--bg-surface-glass: rgba(21, 23, 30, .7);--border-color: rgba(255, 255, 255, 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#00f17966}.glow-btn:active{transform:translateY(0)}.badge{display:inline-block;padding:6px 12px;background-color:var(--badge-bg);color:var(--badge-text);font-size:.85rem;font-weight:600;border-radius:var(--radius-full);margin-right:8px;margin-bottom:8px;transition:background-color var(--transition-fast),color var(--transition-fast)}.badge-primary{background-color:var(--accent-soft);color:var(--color-primary);border:1px solid rgba(0,241,121,.2)}.flex-center{display:flex;align-items:center;justify-content:center}.header{position:fixed;top:0;left:0;width:100%;height:72px;z-index:1000;background:var(--bg-surface-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);transition:background var(--transition-normal),border-color var(--transition-normal),height var(--transition-normal)}.header.scrolled{height:60px;box-shadow:var(--shadow-sm)}.header-container{display:flex;align-items:center;justify-content:space-between;height:100%}.logo{font-size:1.3rem;font-weight:800;letter-spacing:-.03em;color:var(--text-primary);display:flex;align-items:center;gap:6px}.logo-dot{width:8px;height:8px;background-color:var(--color-primary);border-radius:var(--radius-full);display:inline-block}.nav-menu{display:flex;align-items:center;gap:32px}.nav-link{font-size:.95rem;font-weight:600;color:var(--text-secondary);position:relative;padding:8px 0;transition:color var(--transition-fast)}.nav-link:hover,.nav-link.active{color:var(--text-primary)}.nav-link:after{content:"";position:absolute;bottom:0;left:0;width:0;height:2px;background-color:var(--color-primary);transition:width 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span{display:block;width:100%;height:2px;background-color:var(--text-primary);border-radius:2px;transition:transform var(--transition-normal),opacity var(--transition-normal)}@media(max-width:768px){.nav-menu{position:fixed;top:0;right:-100%;width:280px;height:100vh;background:var(--bg-surface);flex-direction:column;align-items:flex-start;padding:100px 40px;gap:24px;box-shadow:var(--shadow-lg);transition:right var(--transition-normal);z-index:999}.nav-menu.open{right:0}.menu-toggle{display:flex}.menu-toggle.open span:nth-child(1){transform:translateY(8px) rotate(45deg)}.menu-toggle.open span:nth-child(2){opacity:0}.menu-toggle.open span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}}.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden;padding-top:100px;background:radial-gradient(circle at 80% 20%,var(--accent-soft) 0%,transparent 50%),radial-gradient(circle at 10% 80%,rgba(0,241,121,.05) 0%,transparent 40%)}.hero:before{content:"";position:absolute;top:-10%;right:-10%;width:400px;height:400px;background-color:var(--color-primary);filter:blur(150px);opacity:.15;border-radius:50%;pointer-events:none;z-index:0}.hero-container{display:flex;flex-direction:column;justify-content:center;position:relative;z-index:1}.hero-tagline{font-size:1.1rem;font-weight:700;color:var(--color-primary);text-transform:uppercase;letter-spacing:.15em;margin-bottom:20px;display:inline-flex;align-items:center;gap:8px}.hero-tagline:after{content:"";width:40px;height:2px;background-color:var(--color-primary);display:inline-block}.hero-title{font-size:3.8rem;font-weight:800;line-height:1.2;letter-spacing:-.03em;margin-bottom:24px}.hero-title span{background:linear-gradient(135deg,var(--text-primary) 30%,var(--color-primary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent}.hero-description{font-size:1.25rem;color:var(--text-secondary);max-width:700px;margin-bottom:40px;line-height:1.8}.hero-info-grid{display:flex;flex-wrap:wrap;gap:24px;margin-bottom:40px}.hero-info-item{display:flex;align-items:center;gap:12px;font-size:1rem;font-weight:600;color:var(--text-primary);background:var(--bg-surface);border:1px solid var(--border-color);padding:12px 20px;border-radius:var(--radius-md);box-shadow:var(--shadow-sm);transition:border-color var(--transition-fast)}.hero-info-item:hover{border-color:var(--color-primary)}.hero-info-icon{color:var(--color-primary);display:flex}.hero-cta{display:flex;align-items:center;flex-wrap:wrap;gap:16px}.hero-cta-btn{padding:16px 32px;font-size:1.05rem}.hero-cta-secondary{padding:16px 32px;font-size:1.05rem;font-weight:700;border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);display:inline-flex;align-items:center;gap:8px;transition:all var(--transition-fast)}.hero-cta-secondary:hover{background-color:var(--badge-bg);border-color:var(--text-muted)}.scroll-indicator{position:absolute;bottom:40px;left:50%;transform:translate(-50%);display:flex;flex-direction:column;align-items:center;gap:8px;font-size:.85rem;font-weight:600;color:var(--text-muted);animation:bounce 2s infinite}@keyframes bounce{0%,20%,50%,80%,to{transform:translate(-50%)}40%{transform:translate(-50%,-10px)}60%{transform:translate(-50%,-5px)}}@media(max-width:992px){.hero-title{font-size:3rem}}@media(max-width:768px){.hero{min-height:calc(100vh - 72px);padding-top:60px}.hero-title{font-size:2.25rem}.hero-description{font-size:1.1rem}.hero-info-grid{flex-direction:column;gap:12px}.hero-info-item{width:100%}.hero-cta{width:100%;flex-direction:column}.hero-cta-btn,.hero-cta-secondary{width:100%;justify-content:center}.scroll-indicator{display:none}}.about{position:relative}.about-header{text-align:center;margin-bottom:60px}.about-title{margin-bottom:16px}.about-subtitle{font-size:1.2rem;color:var(--text-muted)}.competency-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:32px;margin-bottom:80px}.competency-card{padding:40px}.competency-icon-wrapper{width:56px;height:56px;border-radius:var(--radius-md);background-color:var(--accent-soft);color:var(--color-primary);display:flex;align-items:center;justify-content:center;margin-bottom:24px;border:1px solid rgba(0,241,121,.15)}.competency-card-title{font-size:1.5rem;font-weight:700;margin-bottom:20px;color:var(--text-primary)}.competency-list{list-style:none}.competency-item{position:relative;padding-left:24px;margin-bottom:12px;font-size:1.05rem;color:var(--text-secondary);line-height:1.6}.competency-item:before{content:"✓";position:absolute;left:0;top:0;color:var(--color-primary);font-weight:700}.motivation-section{margin-top:100px}.motivation-card{padding:50px;position:relative;overflow:hidden}.motivation-card:before{content:"";position:absolute;top:0;left:0;width:4px;height:100%;background-color:var(--color-primary)}.motivation-title{font-size:1.8rem;font-weight:800;margin-bottom:30px;line-height:1.4}.motivation-content{display:flex;flex-direction:column;gap:20px}.motivation-text{font-size:1.1rem;line-height:1.8;color:var(--text-secondary)}.motivation-highlight{font-weight:600;color:var(--text-primary)}@media(max-width:992px){.competency-grid{grid-template-columns:1fr;gap:24px}}@media(max-width:768px){.competency-card{padding:30px}.motivation-card{padding:30px 20px}.motivation-title{font-size:1.4rem}}.experience{position:relative;background-color:var(--bg-surface)}.experience-header{text-align:center;margin-bottom:80px}.experience-title{margin-bottom:16px}.experience-total-badge{display:inline-block;padding:8px 18px;background-color:var(--accent-soft);color:var(--color-primary);border:1px solid rgba(0,241,121,.3);font-weight:700;border-radius:var(--radius-full);margin-top:10px}.timeline{position:relative;max-width:1000px;margin:0 auto}.timeline:before{content:"";position:absolute;top:0;bottom:0;left:32px;width:2px;background:var(--border-color)}.timeline-item{position:relative;margin-bottom:60px;padding-left:80px}.timeline-item:last-child{margin-bottom:0}.timeline-node{position:absolute;left:20px;top:0;width:26px;height:26px;border-radius:var(--radius-full);background-color:var(--bg-color);border:4px solid var(--border-color);z-index:2;transition:all var(--transition-normal)}.timeline-item:hover .timeline-node{border-color:var(--color-primary);box-shadow:0 0 12px var(--color-primary)}.timeline-content{padding:30px;transition:all var(--transition-normal)}.timeline-info{display:flex;justify-content:space-between;align-items:flex-start;flex-wrap:wrap;gap:12px;margin-bottom:24px;border-bottom:1px solid var(--border-color);padding-bottom:16px}.company-name{font-size:1.6rem;font-weight:800;color:var(--text-primary)}.role-title{font-size:1.1rem;font-weight:600;color:var(--color-primary);margin-top:4px}.work-period{font-size:.95rem;font-weight:600;color:var(--text-muted);text-align:right}.timeline-section-title{font-size:1.05rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;display:flex;align-items:center;gap:8px}.timeline-section-title:before{content:"";display:inline-block;width:6px;height:6px;background-color:var(--color-primary);border-radius:var(--radius-full)}.work-list,.achievement-list{list-style:none;margin-bottom:24px}.work-list li,.achievement-list li{position:relative;padding-left:16px;margin-bottom:8px;font-size:.98rem;line-height:1.6;color:var(--text-secondary)}.work-list li:before{content:"•";position:absolute;left:0;color:var(--text-muted)}.achievement-list li{color:var(--text-primary);font-weight:500}.achievement-list li:before{content:"✓";position:absolute;left:0;color:var(--color-primary);font-weight:700}.tools-section{margin-top:20px}.tools-title{font-size:.9rem;font-weight:700;color:var(--text-muted);text-transform:uppercase;margin-bottom:10px}.tools-container{display:flex;flex-wrap:wrap}@media(max-width:768px){.timeline:before{left:16px}.timeline-node{left:4px}.timeline-item{padding-left:40px}.timeline-info{flex-direction:column;align-items:flex-start;gap:8px}.work-period{text-align:left}.company-name{font-size:1.3rem}}.projects{position:relative}.projects-header{text-align:center;margin-bottom:50px}.project-tabs{display:flex;justify-content:center;gap:16px;margin-bottom:50px;flex-wrap:wrap}.project-tab-btn{padding:14px 28px;font-size:1.05rem;font-weight:700;color:var(--text-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-surface);transition:all var(--transition-fast)}.project-tab-btn:hover{border-color:var(--text-muted);color:var(--text-primary)}.project-tab-btn.active{background-color:var(--color-primary);border-color:var(--color-primary);color:#0d0e12;box-shadow:0 4px 15px #00f1794d}.project-detail-container{max-width:1000px;margin:0 auto;padding:40px}.project-meta{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:16px;margin-bottom:32px;border-bottom:1px solid var(--border-color);padding-bottom:20px}.project-title-area{display:flex;flex-direction:column;gap:6px}.project-company-badge{display:inline-block;align-self:flex-start;padding:4px 12px;background-color:var(--accent-soft);color:var(--color-primary);border:1px solid rgba(0,241,121,.2);font-size:.85rem;font-weight:700;border-radius:var(--radius-full)}.project-title{font-size:2rem;font-weight:800;color:var(--text-primary)}.project-period{font-size:1rem;font-weight:600;color:var(--text-muted)}.project-structure{display:flex;flex-direction:column;gap:32px}.structure-section{display:grid;grid-template-columns:200px 1fr;gap:24px}.structure-label-container{display:flex;align-items:flex-start;gap:8px}.structure-label{font-size:1.15rem;font-weight:800;text-transform:uppercase;letter-spacing:.05em;padding-top:4px}.label-problem{color:#ff5252}.label-execution{color:#2196f3}.label-result{color:var(--color-primary)}.structure-body{font-size:1.05rem;line-height:1.7}.problem-box{background-color:#ff52520d;border:1px dashed rgba(255,82,82,.2);padding:20px 24px;border-radius:var(--radius-md);color:var(--text-secondary)}.execution-list{list-style:none}.execution-list li{position:relative;padding-left:24px;margin-bottom:12px;color:var(--text-secondary)}.execution-list li:before{content:"";position:absolute;left:0;top:10px;width:8px;height:2px;background-color:#2196f3}.result-box{background-color:var(--accent-soft);border:1px solid rgba(0,241,121,.2);padding:24px;border-radius:var(--radius-md)}.result-list{list-style:none}.result-list li{position:relative;padding-left:24px;margin-bottom:12px;font-weight:600;color:var(--text-primary)}.result-list li:last-child{margin-bottom:0}.result-list li:before{content:"⚡";position:absolute;left:0;color:var(--color-primary)}.contribution-callout{margin-top:40px;background:linear-gradient(135deg,var(--bg-surface) 0%,rgba(0,241,121,.03) 100%);border:1px solid var(--border-color);padding:30px;border-radius:var(--radius-lg);position:relative}.contribution-callout:after{content:"";position:absolute;top:0;left:0;width:100%;height:100%;border-radius:var(--radius-lg);box-shadow:inset 0 0 15px #00f1790d;pointer-events:none}.contribution-label{font-size:.95rem;font-weight:700;color:var(--color-primary);text-transform:uppercase;letter-spacing:.1em;margin-bottom:12px}.contribution-text{font-size:1.1rem;line-height:1.7;font-weight:600;color:var(--text-primary)}@media(max-width:768px){.project-detail-container{padding:24px 16px}.project-meta{flex-direction:column;align-items:flex-start;gap:8px}.project-title{font-size:1.5rem}.structure-section{grid-template-columns:1fr;gap:8px}.structure-label-container{margin-bottom:4px}.contribution-callout{padding:20px}}.education{position:relative;background-color:var(--bg-surface)}.education-header{text-align:center;margin-bottom:60px}.education-title{margin-bottom:16px}.education-grid{display:grid;grid-template-columns:1fr 1fr;gap:32px;max-width:1000px;margin:0 auto}.edu-card{padding:40px;height:100%}.edu-type-label{display:inline-block;padding:4px 12px;font-size:.85rem;font-weight:700;border-radius:var(--radius-full);margin-bottom:16px}.edu-type-school{background-color:#2196f31a;color:#2196f3;border:1px solid rgba(33,150,243,.2)}.edu-type-training{background-color:var(--accent-soft);color:var(--color-primary);border:1px solid rgba(0,241,121,.2)}.edu-institution{font-size:1.6rem;font-weight:800;color:var(--text-primary);margin-bottom:4px}.edu-program{font-size:1.15rem;font-weight:600;color:var(--text-secondary);margin-bottom:12px}.edu-period{font-size:.9rem;font-weight:600;color:var(--text-muted);margin-bottom:24px}.edu-curriculum-title{font-size:.95rem;font-weight:700;color:var(--text-primary);margin-bottom:12px;border-bottom:1px solid var(--border-color);padding-bottom:6px}.edu-list{list-style:none}.edu-item{position:relative;padding-left:18px;margin-bottom:10px;font-size:.95rem;line-height:1.5;color:var(--text-secondary)}.edu-item:before{content:"▪";position:absolute;left:0;color:var(--color-primary)}.school-details{display:flex;flex-direction:column;justify-content:flex-start}@media(max-width:992px){.education-grid{grid-template-columns:1fr;gap:24px}}@media(max-width:768px){.edu-card{padding:30px 20px}.edu-institution{font-size:1.3rem}}.footer{background-color:#08090b;border-top:1px solid var(--border-color);padding:60px 0;text-align:center;position:relative}.footer-container{display:flex;flex-direction:column;align-items:center;gap:24px}.footer-logo{font-size:1.4rem;font-weight:800;letter-spacing:-.02em;color:#fff}.footer-message{font-size:1.1rem;color:var(--color-primary);font-weight:700;max-width:600px;line-height:1.6}.footer-contacts{display:flex;justify-content:center;gap:32px;flex-wrap:wrap}.footer-contact-link{display:flex;align-items:center;gap:8px;font-size:.95rem;font-weight:600;color:#9ea4b0;transition:color var(--transition-fast)}.footer-contact-link:hover{color:#fff}.footer-contact-icon{display:flex}.footer-divider{width:80px;height:1px;background-color:var(--border-color);margin:10px 0}.footer-copyright{font-size:.85rem;color:var(--text-muted)}.back-to-top{position:absolute;top:-24px;left:50%;transform:translate(-50%);width:48px;height:48px;background-color:var(--color-primary);color:#0d0e12;border-radius:var(--radius-full);display:flex;align-items:center;justify-content:center;box-shadow:0 4px 14px #00f17966;transition:all var(--transition-fast);z-index:10}.back-to-top:hover{background-color:var(--color-primary-hover);transform:translate(-50%) translateY(-4px);box-shadow:0 6px 20px #00f17999}@media(max-width:768px){.footer{padding:50px 0 40px}.footer-contacts{flex-direction:column;gap:16px}}.app-wrapper{min-height:100vh;display:flex;flex-direction:column;background-color:var(--bg-color);color:var(--text-primary);transition:background-color var(--transition-normal),color var(--transition-normal)}.main-content{flex:1}section{position:relative;overflow:hidden}.section-divider{width:100%;height:1px;background-color:var(--border-color);max-width:var(--spacing-container);margin:0 auto}